103657907493 has 112 divisors (see below), whose sum is σ = 180541215360. Its totient is φ = 58266718848.

The previous prime is 103657907467. The next prime is 103657907497. The reversal of 103657907493 is 394709756301.

It is a happy number.

103657907493 is a `hidden beast` number, since 1 + 0 + 3 + 65 + 7 + 90 + 7 + 493 = 666.

It is not a de Polignac number, because 103657907493 - 2¹² = 103657903397 is a prime.

It is a super-3 number, since 3×103657907493³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103657907497) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 87327046 + ... + 87328232.

Almost surely, 2^103657907493 is an apocalyptic number.

It is an amenable number.

103657907493 is a deficient number, since it is larger than the sum of its proper divisors (76883307867).

103657907493 is a wasteful number, since it uses less digits than its factorization.

103657907493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 103657907493 in words is "one hundred three billion, six hundred fifty-seven million, nine hundred seven thousand, four hundred ninety-three".