632649270987 has 40 divisors (see below), whose sum is σ = 983884928400. Its totient is φ = 404628509376.

The previous prime is 632649270923. The next prime is 632649271003. The reversal of 632649270987 is 789072946236.

632649270987 is a `hidden beast` number, since 63 + 2 + 6 + 492 + 7 + 0 + 9 + 87 = 666.

It is not a de Polignac number, because 632649270987 - 2⁶ = 632649270923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (632649270917) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 488937 + ... + 1226522.

It is an arithmetic number, because the mean of its divisors is an integer number (24597123210).

Almost surely, 2^632649270987 is an apocalyptic number.

632649270987 is a deficient number, since it is larger than the sum of its proper divisors (351235657413).

632649270987 is a wasteful number, since it uses less digits than its factorization.

632649270987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715657 (or 1715648 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 632649270987 in words is "six hundred thirty-two billion, six hundred forty-nine million, two hundred seventy thousand, nine hundred eighty-seven".