38697739851 has 16 divisors (see below), whose sum is σ = 52015529984. Its totient is φ = 25589317824.

The previous prime is 38697739841. The next prime is 38697739853. The reversal of 38697739851 is 15893779683.

It is not a de Polignac number, because 38697739851 - 2¹¹ = 38697737803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38697739853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087415 + ... + 2105871.

It is an arithmetic number, because the mean of its divisors is an integer number (3250970624).

Almost surely, 2^38697739851 is an apocalyptic number.

38697739851 is a deficient number, since it is larger than the sum of its proper divisors (13317790133).

38697739851 is a wasteful number, since it uses less digits than its factorization.

38697739851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090.

The product of its digits is 68584320, while the sum is 66.

The spelling of 38697739851 in words is "thirty-eight billion, six hundred ninety-seven million, seven hundred thirty-nine thousand, eight hundred fifty-one".