38874105521 has 8 divisors (see below), whose sum is σ = 38974582944. Its totient is φ = 38773715680.

The previous prime is 38874105509. The next prime is 38874105551. The reversal of 38874105521 is 12550147883.

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 38874105521 - 2¹⁸ = 38873843377 is a prime.

It is a super-2 number, since 2×38874105521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38874105551) 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, 918590 + ... + 959976.

It is an arithmetic number, because the mean of its divisors is an integer number (4871822868).

Almost surely, 2^38874105521 is an apocalyptic number.

It is an amenable number.

38874105521 is a deficient number, since it is larger than the sum of its proper divisors (100477423).

38874105521 is a wasteful number, since it uses less digits than its factorization.

38874105521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43791.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 38874105521 in words is "thirty-eight billion, eight hundred seventy-four million, one hundred five thousand, five hundred twenty-one".