626872049953 has 12 divisors (see below), whose sum is σ = 665426157588. Its totient is φ = 590445900000.

The previous prime is 626872049929. The next prime is 626872049971. The reversal of 626872049953 is 359940278626.

It can be written as a sum of positive squares in 2 ways, for example, as 262915639009 + 363956410944 = 512753^2 + 603288^2 .

It is a de Polignac number, because none of the positive numbers 2^k-626872049953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 626872049891 and 626872049900.

It is not an unprimeable number, because it can be changed into a prime (626872749953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4956298 + ... + 5081203.

It is an arithmetic number, because the mean of its divisors is an integer number (55452179799).

Almost surely, 2^626872049953 is an apocalyptic number.

It is an amenable number.

626872049953 is a deficient number, since it is larger than the sum of its proper divisors (38554107635).

626872049953 is a wasteful number, since it uses less digits than its factorization.

626872049953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037712 (or 10037693 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 626872049953 in words is "six hundred twenty-six billion, eight hundred seventy-two million, forty-nine thousand, nine hundred fifty-three".