626872049971 has 2 divisors, whose sum is σ = 626872049972. Its totient is φ = 626872049970.

The previous prime is 626872049929. The next prime is 626872050017. The reversal of 626872049971 is 179940278626.

626872049971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626872049971 - 2²⁵ = 626838495539 is a prime.

It is a super-2 number, since 2×626872049971² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (626872049171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313436024985 + 313436024986.

It is an arithmetic number, because the mean of its divisors is an integer number (313436024986).

Almost surely, 2^626872049971 is an apocalyptic number.

626872049971 is a deficient number, since it is larger than the sum of its proper divisors (1).

626872049971 is an equidigital number, since it uses as much as digits as its factorization.

626872049971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 626872049971 in words is "six hundred twenty-six billion, eight hundred seventy-two million, forty-nine thousand, nine hundred seventy-one".