632774031321 has 16 divisors (see below), whose sum is σ = 863364381440. Its totient is φ = 412017535440.

The previous prime is 632774031317. The next prime is 632774031359. The reversal of 632774031321 is 123130477236.

It is not a de Polignac number, because 632774031321 - 2² = 632774031317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632774031321.

It is not an unprimeable number, because it can be changed into a prime (632774031301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2594766 + ... + 2828136.

It is an arithmetic number, because the mean of its divisors is an integer number (53960273840).

Almost surely, 2^632774031321 is an apocalyptic number.

It is an amenable number.

632774031321 is a deficient number, since it is larger than the sum of its proper divisors (230590350119).

632774031321 is a wasteful number, since it uses less digits than its factorization.

632774031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254436.

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 632774031321 in words is "six hundred thirty-two billion, seven hundred seventy-four million, thirty-one thousand, three hundred twenty-one".