38020865451 has 16 divisors (see below), whose sum is σ = 51179724288. Its totient is φ = 25105707200.

The previous prime is 38020865419. The next prime is 38020865459. The reversal of 38020865451 is 15456802083.

It is a cyclic number.

It is not a de Polignac number, because 38020865451 - 2⁵ = 38020865419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38020865459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5746 + ... + 275816.

It is an arithmetic number, because the mean of its divisors is an integer number (3198732768).

Almost surely, 2^38020865451 is an apocalyptic number.

38020865451 is a deficient number, since it is larger than the sum of its proper divisors (13158858837).

38020865451 is a wasteful number, since it uses less digits than its factorization.

38020865451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270522.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 38020865451 in words is "thirty-eight billion, twenty million, eight hundred sixty-five thousand, four hundred fifty-one".