629999946528 has 96 divisors (see below), whose sum is σ = 1760704283520. Its totient is φ = 196554977280.

The previous prime is 629999946509. The next prime is 629999946539. The reversal of 629999946528 is 825649999926.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770988 + ... + 1361771.

It is an arithmetic number, because the mean of its divisors is an integer number (18340669620).

Almost surely, 2^629999946528 is an apocalyptic number.

629999946528 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

629999946528 is an abundant number, since it is smaller than the sum of its proper divisors (1130704336992).

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

629999946528 is a wasteful number, since it uses less digits than its factorization.

629999946528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132970 (or 2132962 counting only the distinct ones).

The product of its digits is 1360488960, while the sum is 78.

The spelling of 629999946528 in words is "six hundred twenty-nine billion, nine hundred ninety-nine million, nine hundred forty-six thousand, five hundred twenty-eight".