38869504405 has 4 divisors (see below), whose sum is σ = 46643405292. Its totient is φ = 31095603520.

The previous prime is 38869504403. The next prime is 38869504417. The reversal of 38869504405 is 50440596883.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26893704049 + 11975800356 = 163993^2 + 109434^2 .

It is not a de Polignac number, because 38869504405 - 2¹ = 38869504403 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 (38869504403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3886950436 + ... + 3886950445.

It is an arithmetic number, because the mean of its divisors is an integer number (11660851323).

Almost surely, 2^38869504405 is an apocalyptic number.

It is an amenable number.

38869504405 is a deficient number, since it is larger than the sum of its proper divisors (7773900887).

38869504405 is an equidigital number, since it uses as much as digits as its factorization.

38869504405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773900886.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 38869504405 in words is "thirty-eight billion, eight hundred sixty-nine million, five hundred four thousand, four hundred five".