69404010957 has 6 divisors (see below), whose sum is σ = 100250238062. Its totient is φ = 46269340632.

The previous prime is 69404010941. The next prime is 69404010959. The reversal of 69404010957 is 75901040496.

It can be written as a sum of positive squares in only one way, i.e., 45499449636 + 23904561321 = 213306^2 + 154611^2 .

It is not a de Polignac number, because 69404010957 - 2⁴ = 69404010941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69404010959) 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, 3855778378 + ... + 3855778395.

Almost surely, 2^69404010957 is an apocalyptic number.

It is an amenable number.

69404010957 is a deficient number, since it is larger than the sum of its proper divisors (30846227105).

69404010957 is a wasteful number, since it uses less digits than its factorization.

69404010957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711556779 (or 7711556776 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 69404010957 in words is "sixty-nine billion, four hundred four million, ten thousand, nine hundred fifty-seven".