2038657073681 has 8 divisors (see below), whose sum is σ = 2083649071104. Its totient is φ = 1994117257440.

The previous prime is 2038657073653. The next prime is 2038657073723. The reversal of 2038657073681 is 1863707568302.

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 2038657073681 - 2³⁰ = 2037583331857 is a prime.

It is a super-2 number, since 2×2038657073681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2038657073641) 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 7 ways as a sum of consecutive naturals, for example, 113036180 + ... + 113054213.

It is an arithmetic number, because the mean of its divisors is an integer number (260456133888).

Almost surely, 2^{2038657073681} is an apocalyptic number.

It is an amenable number.

2038657073681 is a deficient number, since it is larger than the sum of its proper divisors (44991997423).

2038657073681 is a wasteful number, since it uses less digits than its factorization.

2038657073681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226090591.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 2038657073681 in words is "two trillion, thirty-eight billion, six hundred fifty-seven million, seventy-three thousand, six hundred eighty-one".