632945429 has 2 divisors, whose sum is σ = 632945430. Its totient is φ = 632945428.

The previous prime is 632945419. The next prime is 632945447. The reversal of 632945429 is 924549236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579509329 + 53436100 = 24073^2 + 7310^2 .

It is a cyclic number.

It is not a de Polignac number, because 632945429 - 2²⁸ = 364509973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632945429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632945419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316472714 + 316472715.

It is an arithmetic number, because the mean of its divisors is an integer number (316472715).

Almost surely, 2^632945429 is an apocalyptic number.

It is an amenable number.

632945429 is a deficient number, since it is larger than the sum of its proper divisors (1).

632945429 is an equidigital number, since it uses as much as digits as its factorization.

632945429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 632945429 is about 25158.4067261820. The cubic root of 632945429 is about 858.5957925584.

It can be divided in two parts, 63 and 2945429, that added together give a palindrome (2945492).

The spelling of 632945429 in words is "six hundred thirty-two million, nine hundred forty-five thousand, four hundred twenty-nine".