630602643 has 16 divisors (see below), whose sum is σ = 923942016. Its totient is φ = 379391040.

The previous prime is 630602633. The next prime is 630602653. The reversal of 630602643 is 346206036.

It is an interprime number because it is at equal distance from previous prime (630602633) and next prime (630602653).

It is not a de Polignac number, because 630602643 - 2⁴ = 630602627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630602643.

It is not an unprimeable number, because it can be changed into a prime (630602633) 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, 65221 + ... + 74262.

It is an arithmetic number, because the mean of its divisors is an integer number (57746376).

Almost surely, 2^630602643 is an apocalyptic number.

630602643 is a deficient number, since it is larger than the sum of its proper divisors (293339373).

630602643 is a wasteful number, since it uses less digits than its factorization.

630602643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139634.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 630602643 is about 25111.8028623992. The cubic root of 630602643 is about 857.5351465561.

Adding to 630602643 its reverse (346206036), we get a palindrome (976808679).

It can be divided in two parts, 63060 and 2643, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 630602643 in words is "six hundred thirty million, six hundred two thousand, six hundred forty-three".