632909753947 has 16 divisors (see below), whose sum is σ = 676750007808. Its totient is φ = 590439065920.

The previous prime is 632909753929. The next prime is 632909753951. The reversal of 632909753947 is 749357909236.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632909753947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632909750947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2915658 + ... + 3125200.

It is an arithmetic number, because the mean of its divisors is an integer number (42296875488).

Almost surely, 2^632909753947 is an apocalyptic number.

632909753947 is a deficient number, since it is larger than the sum of its proper divisors (43840253861).

632909753947 is a wasteful number, since it uses less digits than its factorization.

632909753947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212810.

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 632909753947 in words is "six hundred thirty-two billion, nine hundred nine million, seven hundred fifty-three thousand, nine hundred forty-seven".