631620276035 has 12 divisors (see below), whose sum is σ = 881690344848. Its totient is φ = 433111046256.

The previous prime is 631620275987. The next prime is 631620276073. The reversal of 631620276035 is 530672026136.

It is not a de Polignac number, because 631620276035 - 2⁶ = 631620275971 is a prime.

It is a super-5 number, since 5×631620276035⁵ (a number of 60 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631620275983 and 631620276001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289020727 + ... + 1289021216.

It is an arithmetic number, because the mean of its divisors is an integer number (73474195404).

Almost surely, 2^631620276035 is an apocalyptic number.

631620276035 is a deficient number, since it is larger than the sum of its proper divisors (250070068813).

631620276035 is a wasteful number, since it uses less digits than its factorization.

631620276035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578041962 (or 2578041955 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 631620276035 in words is "six hundred thirty-one billion, six hundred twenty million, two hundred seventy-six thousand, thirty-five".