630746136207332 has 6 divisors (see below), whose sum is σ = 1103805738362838. Its totient is φ = 315373068103664.

The previous prime is 630746136207331. The next prime is 630746136207349. The reversal of 630746136207332 is 233702631647036.

It can be written as a sum of positive squares in only one way, i.e., 629416575006976 + 1329561200356 = 25088176^2 + 1153066^2 .

It is not an unprimeable number, because it can be changed into a prime (630746136207331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78843267025913 + ... + 78843267025920.

It is an arithmetic number, because the mean of its divisors is an integer number (183967623060473).

Almost surely, 2^{630746136207332} is an apocalyptic number.

It is an amenable number.

630746136207332 is a deficient number, since it is larger than the sum of its proper divisors (473059602155506).

630746136207332 is a wasteful number, since it uses less digits than its factorization.

630746136207332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157686534051837 (or 157686534051835 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 53.

The spelling of 630746136207332 in words is "six hundred thirty trillion, seven hundred forty-six billion, one hundred thirty-six million, two hundred seven thousand, three hundred thirty-two".