38521869359 has 4 divisors (see below), whose sum is σ = 38524125816. Its totient is φ = 38519612904.

The previous prime is 38521869341. The next prime is 38521869403. The reversal of 38521869359 is 95396812583.

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 38521869359 - 2³² = 34226902063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38521869298 and 38521869307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38521869059) 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, 1102424 + ... + 1136829.

It is an arithmetic number, because the mean of its divisors is an integer number (9631031454).

Almost surely, 2^38521869359 is an apocalyptic number.

38521869359 is a deficient number, since it is larger than the sum of its proper divisors (2256457).

38521869359 is a wasteful number, since it uses less digits than its factorization.

38521869359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256456.

The product of its digits is 13996800, while the sum is 59.

The spelling of 38521869359 in words is "thirty-eight billion, five hundred twenty-one million, eight hundred sixty-nine thousand, three hundred fifty-nine".