3838487373721 has 32 divisors (see below), whose sum is σ = 5175892770048. Its totient is φ = 2749100221440.

The previous prime is 3838487373719. The next prime is 3838487373739. The reversal of 3838487373721 is 1273737848383.

It is a cyclic number.

It is not a de Polignac number, because 3838487373721 - 2¹ = 3838487373719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3838487379721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7995636 + ... + 8462101.

It is an arithmetic number, because the mean of its divisors is an integer number (161746649064).

Almost surely, 2^{3838487373721} is an apocalyptic number.

It is an amenable number.

3838487373721 is a deficient number, since it is larger than the sum of its proper divisors (1337405396327).

3838487373721 is a wasteful number, since it uses less digits than its factorization.

3838487373721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16458001.

The product of its digits is 113799168, while the sum is 64.

The spelling of 3838487373721 in words is "three trillion, eight hundred thirty-eight billion, four hundred eighty-seven million, three hundred seventy-three thousand, seven hundred twenty-one".