632954639 has 2 divisors, whose sum is σ = 632954640. Its totient is φ = 632954638.

The previous prime is 632954633. The next prime is 632954653. The reversal of 632954639 is 936459236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 632954639 - 2¹² = 632950543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632954593 and 632954602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632954633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316477319 + 316477320.

It is an arithmetic number, because the mean of its divisors is an integer number (316477320).

Almost surely, 2^632954639 is an apocalyptic number.

632954639 is a deficient number, since it is larger than the sum of its proper divisors (1).

632954639 is an equidigital number, since it uses as much as digits as its factorization.

632954639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 47.

The square root of 632954639 is about 25158.5897657242. The cubic root of 632954639 is about 858.5999570190.

The spelling of 632954639 in words is "six hundred thirty-two million, nine hundred fifty-four thousand, six hundred thirty-nine".