629748847926 has 96 divisors (see below), whose sum is σ = 1609589449728. Its totient is φ = 175786033920.

The previous prime is 629748847873. The next prime is 629748847951.

629748847926 is a `hidden beast` number, since 6 + 2 + 9 + 74 + 88 + 479 + 2 + 6 = 666.

629748847926 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×629748847926² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1832130 + ... + 2148533.

It is an arithmetic number, because the mean of its divisors is an integer number (16766556768).

Almost surely, 2^629748847926 is an apocalyptic number.

629748847926 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

629748847926 is an abundant number, since it is smaller than the sum of its proper divisors (979840601802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629748847926 is a wasteful number, since it uses less digits than its factorization.

629748847926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980746 (or 3980743 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 629748847926 in words is "six hundred twenty-nine billion, seven hundred forty-eight million, eight hundred forty-seven thousand, nine hundred twenty-six".