630741134857637 has 4 divisors (see below), whose sum is σ = 631026151188300. Its totient is φ = 630456118526976.

The previous prime is 630741134857627. The next prime is 630741134857651. The reversal of 630741134857637 is 736758431147036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 626961586718401 + 3779548139236 = 25039201^2 + 1944106^2 .

It is a cyclic number.

It is not a de Polignac number, because 630741134857637 - 2³⁶ = 630672415380901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630741134857627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142508162012 + ... + 142508166437.

It is an arithmetic number, because the mean of its divisors is an integer number (157756537797075).

Almost surely, 2^{630741134857637} is an apocalyptic number.

It is an amenable number.

630741134857637 is a deficient number, since it is larger than the sum of its proper divisors (285016330663).

630741134857637 is a wasteful number, since it uses less digits than its factorization.

630741134857637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285016330662.

The product of its (nonzero) digits is 213373440, while the sum is 65.

The spelling of 630741134857637 in words is "six hundred thirty trillion, seven hundred forty-one billion, one hundred thirty-four million, eight hundred fifty-seven thousand, six hundred thirty-seven".