629159894416 has 45 divisors (see below), whose sum is σ = 1240377502593. Its totient is φ = 309156072960.

The previous prime is 629159894329. The next prime is 629159894449. The reversal of 629159894416 is 614498951926.

The square root of 629159894416 is 793196.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 471963504016 + 157196390400 = 686996^2 + 396480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 187192576 + ... + 187195936.

Almost surely, 2^629159894416 is an apocalyptic number.

629159894416 is the 793196-th square number.

It is an amenable number.

629159894416 is a deficient number, since it is larger than the sum of its proper divisors (611217608177).

629159894416 is an frugal number, since it uses more digits than its factorization.

629159894416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848 (or 3422 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 64.

Multiplying 629159894416 by its sum of digits (64), we get a square (40266233242624 = 6345568²).

The spelling of 629159894416 in words is "six hundred twenty-nine billion, one hundred fifty-nine million, eight hundred ninety-four thousand, four hundred sixteen".