630853137583 has 2 divisors, whose sum is σ = 630853137584. Its totient is φ = 630853137582.

The previous prime is 630853137539. The next prime is 630853137689. The reversal of 630853137583 is 385731358036.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630853137583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630853137583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630853137503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315426568791 + 315426568792.

It is an arithmetic number, because the mean of its divisors is an integer number (315426568792).

Almost surely, 2^630853137583 is an apocalyptic number.

630853137583 is a deficient number, since it is larger than the sum of its proper divisors (1).

630853137583 is an equidigital number, since it uses as much as digits as its factorization.

630853137583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 630853137583 in words is "six hundred thirty billion, eight hundred fifty-three million, one hundred thirty-seven thousand, five hundred eighty-three".