629983263613 has 12 divisors (see below), whose sum is σ = 692504116444. Its totient is φ = 572676350400.

The previous prime is 629983263601. The next prime is 629983263659. The reversal of 629983263613 is 316362389926.

It can be written as a sum of positive squares in 2 ways, for example, as 263865087684 + 366118175929 = 513678^2 + 605077^2 .

It is a de Polignac number, because none of the positive numbers 2^k-629983263613 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 (629983263673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1893595 + ... + 2201287.

Almost surely, 2^629983263613 is an apocalyptic number.

It is an amenable number.

629983263613 is a deficient number, since it is larger than the sum of its proper divisors (62520852831).

629983263613 is a wasteful number, since it uses less digits than its factorization.

629983263613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324636 (or 324625 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 58.

The spelling of 629983263613 in words is "six hundred twenty-nine billion, nine hundred eighty-three million, two hundred sixty-three thousand, six hundred thirteen".