38915293493 has 8 divisors (see below), whose sum is σ = 40108295328. Its totient is φ = 37729725264.

The previous prime is 38915293477. The next prime is 38915293607. The reversal of 38915293493 is 39439251983.

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 38915293493 - 2⁴ = 38915293477 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 (38915223493) 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, 1847771 + ... + 1868712.

It is an arithmetic number, because the mean of its divisors is an integer number (5013536916).

Almost surely, 2^38915293493 is an apocalyptic number.

It is an amenable number.

38915293493 is a deficient number, since it is larger than the sum of its proper divisors (1193001835).

38915293493 is a wasteful number, since it uses less digits than its factorization.

38915293493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716803.

The product of its digits is 6298560, while the sum is 56.

The spelling of 38915293493 in words is "thirty-eight billion, nine hundred fifteen million, two hundred ninety-three thousand, four hundred ninety-three".