69028385697 has 6 divisors (see below), whose sum is σ = 99707668242. Its totient is φ = 46018923792.

The previous prime is 69028385693. The next prime is 69028385729. The reversal of 69028385697 is 79658382096.

69028385697 is a `hidden beast` number, since 69 + 0 + 2 + 8 + 3 + 8 + 569 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41925019536 + 27103366161 = 204756^2 + 164631^2 .

It is not a de Polignac number, because 69028385697 - 2² = 69028385693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69028385693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3834910308 + ... + 3834910325.

It is an arithmetic number, because the mean of its divisors is an integer number (16617944707).

Almost surely, 2^69028385697 is an apocalyptic number.

It is an amenable number.

69028385697 is a deficient number, since it is larger than the sum of its proper divisors (30679282545).

69028385697 is a wasteful number, since it uses less digits than its factorization.

69028385697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669820639 (or 7669820636 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 69028385697 in words is "sixty-nine billion, twenty-eight million, three hundred eighty-five thousand, six hundred ninety-seven".