632961427297 has 4 divisors (see below), whose sum is σ = 632998851076. Its totient is φ = 632924003520.

The previous prime is 632961427291. The next prime is 632961427309. The reversal of 632961427297 is 792724169236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 408933391441 + 224028035856 = 639479^2 + 473316^2 .

It is a cyclic number.

It is not a de Polignac number, because 632961427297 - 2⁷ = 632961427169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632961427291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18686508 + ... + 18720349.

It is an arithmetic number, because the mean of its divisors is an integer number (158249712769).

Almost surely, 2^632961427297 is an apocalyptic number.

It is an amenable number.

632961427297 is a deficient number, since it is larger than the sum of its proper divisors (37423779).

632961427297 is a wasteful number, since it uses less digits than its factorization.

632961427297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37423778.

The product of its digits is 13716864, while the sum is 58.

The spelling of 632961427297 in words is "six hundred thirty-two billion, nine hundred sixty-one million, four hundred twenty-seven thousand, two hundred ninety-seven".