38695393557 has 24 divisors (see below), whose sum is σ = 59511853440. Its totient is φ = 24143806080.

The previous prime is 38695393547. The next prime is 38695393573. The reversal of 38695393557 is 75539359683.

38695393557 is a `hidden beast` number, since 3 + 8 + 69 + 539 + 35 + 5 + 7 = 666.

It is not a de Polignac number, because 38695393557 - 2¹² = 38695389461 is a prime.

It is a super-2 number, since 2×38695393557² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38695393494 and 38695393503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38695393507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679069 + ... + 733842.

It is an arithmetic number, because the mean of its divisors is an integer number (2479660560).

Almost surely, 2^38695393557 is an apocalyptic number.

It is an amenable number.

38695393557 is a deficient number, since it is larger than the sum of its proper divisors (20816459883).

38695393557 is a wasteful number, since it uses less digits than its factorization.

38695393557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413113 (or 1413110 counting only the distinct ones).

The product of its digits is 91854000, while the sum is 63.

The spelling of 38695393557 in words is "thirty-eight billion, six hundred ninety-five million, three hundred ninety-three thousand, five hundred fifty-seven".