69690383897 has 8 divisors (see below), whose sum is σ = 70185457800. Its totient is φ = 69196370560.

The previous prime is 69690383887. The next prime is 69690383921. The reversal of 69690383897 is 79838309696.

It can be written as a sum of positive squares in 4 ways, for example, as 300814336 + 69389569561 = 17344^2 + 263419^2 .

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 69690383897 - 2¹⁶ = 69690318361 is a prime.

It is a super-2 number, since 2×69690383897² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69690383837) 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, 133022 + ... + 396327.

It is an arithmetic number, because the mean of its divisors is an integer number (8773182225).

Almost surely, 2^69690383897 is an apocalyptic number.

It is an amenable number.

69690383897 is a deficient number, since it is larger than the sum of its proper divisors (495073903).

69690383897 is a wasteful number, since it uses less digits than its factorization.

69690383897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530283.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 69690383897 in words is "sixty-nine billion, six hundred ninety million, three hundred eighty-three thousand, eight hundred ninety-seven".