632444979338 has 4 divisors (see below), whose sum is σ = 948667469010. Its totient is φ = 316222489668.

The previous prime is 632444979337. The next prime is 632444979347. The reversal of 632444979338 is 833979444236.

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

It can be written as a sum of positive squares in only one way, i.e., 379016303449 + 253428675889 = 615643^2 + 503417^2 .

It is not an unprimeable number, because it can be changed into a prime (632444979337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158111244833 + ... + 158111244836.

Almost surely, 2^632444979338 is an apocalyptic number.

632444979338 is a deficient number, since it is larger than the sum of its proper divisors (316222489672).

632444979338 is a wasteful number, since it uses less digits than its factorization.

632444979338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316222489671.

The product of its digits is 94058496, while the sum is 62.

The spelling of 632444979338 in words is "six hundred thirty-two billion, four hundred forty-four million, nine hundred seventy-nine thousand, three hundred thirty-eight".