38721012337 has 16 divisors (see below), whose sum is σ = 45301082112. Its totient is φ = 32403727440.

The previous prime is 38721012329. The next prime is 38721012359. The reversal of 38721012337 is 73321012783.

It is not a de Polignac number, because 38721012337 - 2³ = 38721012329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38721012296 and 38721012305.

It is not an unprimeable number, because it can be changed into a prime (38721012137) 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 15 ways as a sum of consecutive naturals, for example, 710262 + ... + 762832.

It is an arithmetic number, because the mean of its divisors is an integer number (2831317632).

Almost surely, 2^38721012337 is an apocalyptic number.

It is an amenable number.

38721012337 is a deficient number, since it is larger than the sum of its proper divisors (6580069775).

38721012337 is a wasteful number, since it uses less digits than its factorization.

38721012337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55068.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 38721012337 in words is "thirty-eight billion, seven hundred twenty-one million, twelve thousand, three hundred thirty-seven".