632638314377 has 16 divisors (see below), whose sum is σ = 671060503872. Its totient is φ = 595606011840.

The previous prime is 632638314359. The next prime is 632638314389. The reversal of 632638314377 is 773413836236.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 632638314377 - 2³² = 628343347081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632638310377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687874 + ... + 2028347.

It is an arithmetic number, because the mean of its divisors is an integer number (41941281492).

Almost surely, 2^632638314377 is an apocalyptic number.

It is an amenable number.

632638314377 is a deficient number, since it is larger than the sum of its proper divisors (38422189495).

632638314377 is a wasteful number, since it uses less digits than its factorization.

632638314377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716408.

The product of its digits is 9144576, while the sum is 53.

The spelling of 632638314377 in words is "six hundred thirty-two billion, six hundred thirty-eight million, three hundred fourteen thousand, three hundred seventy-seven".