2638031970853 has 8 divisors (see below), whose sum is σ = 2770959010176. Its totient is φ = 2506624098000.

The previous prime is 2638031970839. The next prime is 2638031970863. The reversal of 2638031970853 is 3580791308362.

2638031970853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2638031970853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2638031970794 and 2638031970803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638031970863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379788058 + ... + 379795003.

It is an arithmetic number, because the mean of its divisors is an integer number (346369876272).

Almost surely, 2^{2638031970853} is an apocalyptic number.

2638031970853 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2638031970853 is a deficient number, since it is larger than the sum of its proper divisors (132927039323).

2638031970853 is a wasteful number, since it uses less digits than its factorization.

2638031970853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759583235.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 2638031970853 in words is "two trillion, six hundred thirty-eight billion, thirty-one million, nine hundred seventy thousand, eight hundred fifty-three".