631354793349 has 24 divisors (see below), whose sum is σ = 979280702400. Its totient is φ = 360760708224.

The previous prime is 631354793317. The next prime is 631354793351. The reversal of 631354793349 is 943397453136.

It is not a de Polignac number, because 631354793349 - 2⁵ = 631354793317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631354713349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4939752 + ... + 5065950.

It is an arithmetic number, because the mean of its divisors is an integer number (40803362600).

Almost surely, 2^631354793349 is an apocalyptic number.

It is an amenable number.

631354793349 is a deficient number, since it is larger than the sum of its proper divisors (347925909051).

631354793349 is a wasteful number, since it uses less digits than its factorization.

631354793349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160249 (or 160242 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 57.

The spelling of 631354793349 in words is "six hundred thirty-one billion, three hundred fifty-four million, seven hundred ninety-three thousand, three hundred forty-nine".