38269402391 has 4 divisors (see below), whose sum is σ = 41748438984. Its totient is φ = 34790365800.

The previous prime is 38269402331. The next prime is 38269402393. The reversal of 38269402391 is 19320496283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38269402391 - 2²² = 38265208087 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 (38269402393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739518280 + ... + 1739518301.

It is an arithmetic number, because the mean of its divisors is an integer number (10437109746).

Almost surely, 2^38269402391 is an apocalyptic number.

38269402391 is a deficient number, since it is larger than the sum of its proper divisors (3479036593).

38269402391 is a wasteful number, since it uses less digits than its factorization.

38269402391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479036592.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 38269402391 in words is "thirty-eight billion, two hundred sixty-nine million, four hundred two thousand, three hundred ninety-one".