632979370213 has 2 divisors, whose sum is σ = 632979370214. Its totient is φ = 632979370212.

The previous prime is 632979370201. The next prime is 632979370249. The reversal of 632979370213 is 312073979236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378824247169 + 254155123044 = 615487^2 + 504138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632979370213 is a prime.

It is a super-2 number, since 2×632979370213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632979376213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316489685106 + 316489685107.

It is an arithmetic number, because the mean of its divisors is an integer number (316489685107).

Almost surely, 2^632979370213 is an apocalyptic number.

It is an amenable number.

632979370213 is a deficient number, since it is larger than the sum of its proper divisors (1).

632979370213 is an equidigital number, since it uses as much as digits as its factorization.

632979370213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 52.

The spelling of 632979370213 in words is "six hundred thirty-two billion, nine hundred seventy-nine million, three hundred seventy thousand, two hundred thirteen".