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9697989240577 = 11881635385507
BaseRepresentation
bin1000110100011111110100…
…1101000010011100000001
31021100010012112201001201001
42031013331031002130001
52232342440221144302
632343110022212001
72020441133265361
oct215077515023401
937303175631631
109697989240577
1130a9992111480
121107650b84001
13554693886151
14257556d309a1
1511c400e98787
hex8d1fd342701

9697989240577 has 4 divisors (see below), whose sum is σ = 10579624626096. Its totient is φ = 8816353855060.

The previous prime is 9697989240571. The next prime is 9697989240619. The reversal of 9697989240577 is 7750429897969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9697989240577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9697989240577.

It is not an unprimeable number, because it can be changed into a prime (9697989240571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440817692743 + ... + 440817692764.

It is an arithmetic number, because the mean of its divisors is an integer number (2644906156524).

Almost surely, 29697989240577 is an apocalyptic number.

It is an amenable number.

9697989240577 is a deficient number, since it is larger than the sum of its proper divisors (881635385519).

9697989240577 is a wasteful number, since it uses less digits than its factorization.

9697989240577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881635385518.

The product of its (nonzero) digits is 4320812160, while the sum is 82.

The spelling of 9697989240577 in words is "nine trillion, six hundred ninety-seven billion, nine hundred eighty-nine million, two hundred forty thousand, five hundred seventy-seven".

Divisors: 1 11 881635385507 9697989240577