630432778704513 has 16 divisors (see below), whose sum is σ = 842051957562816. Its totient is φ = 419551064398080.

The previous prime is 630432778704479. The next prime is 630432778704551. The reversal of 630432778704513 is 315407877234036.

It is not a de Polignac number, because 630432778704513 - 2²⁰ = 630432777655937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630432778704713) 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, 898345581 + ... + 899047077.

It is an arithmetic number, because the mean of its divisors is an integer number (52628247347676).

Almost surely, 2^{630432778704513} is an apocalyptic number.

It is an amenable number.

630432778704513 is a deficient number, since it is larger than the sum of its proper divisors (211619178858303).

630432778704513 is a wasteful number, since it uses less digits than its factorization.

630432778704513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226704.

The product of its (nonzero) digits is 71124480, while the sum is 60.

The spelling of 630432778704513 in words is "six hundred thirty trillion, four hundred thirty-two billion, seven hundred seventy-eight million, seven hundred four thousand, five hundred thirteen".