609521769700993 has 8 divisors (see below), whose sum is σ = 611691874364520. Its totient is φ = 607351672045440.

The previous prime is 609521769700933. The next prime is 609521769701003. The reversal of 609521769700993 is 399007967125906.

It can be written as a sum of positive squares in 4 ways, for example, as 21975778235889 + 587545991465104 = 4687833^2 + 24239348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 609521769700993 - 2³³ = 609513179766401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609521769700903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224359363 + ... + 227059831.

It is an arithmetic number, because the mean of its divisors is an integer number (76461484295565).

Almost surely, 2^{609521769700993} is an apocalyptic number.

It is an amenable number.

609521769700993 is a deficient number, since it is larger than the sum of its proper divisors (2170104663527).

609521769700993 is a wasteful number, since it uses less digits than its factorization.

609521769700993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503987.

The product of its (nonzero) digits is 347208120, while the sum is 73.

The spelling of 609521769700993 in words is "six hundred nine trillion, five hundred twenty-one billion, seven hundred sixty-nine million, seven hundred thousand, nine hundred ninety-three".