38696346491 has 8 divisors (see below), whose sum is σ = 42398540400. Its totient is φ = 35024876640.

The previous prime is 38696346457. The next prime is 38696346517. The reversal of 38696346491 is 19464369683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38696346491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38696346491.

It is not an unprimeable number, because it can be changed into a prime (38696346431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7678376 + ... + 7683413.

It is an arithmetic number, because the mean of its divisors is an integer number (5299817550).

Almost surely, 2^38696346491 is an apocalyptic number.

38696346491 is a deficient number, since it is larger than the sum of its proper divisors (3702193909).

38696346491 is a wasteful number, since it uses less digits than its factorization.

38696346491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15362029.

The product of its digits is 20155392, while the sum is 59.

The spelling of 38696346491 in words is "thirty-eight billion, six hundred ninety-six million, three hundred forty-six thousand, four hundred ninety-one".