641063012 has 24 divisors (see below), whose sum is σ = 1168323072. Its totient is φ = 307440000.

The previous prime is 641063011. The next prime is 641063029. The reversal of 641063012 is 210360146.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (641063011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8864 + ... + 36887.

It is an arithmetic number, because the mean of its divisors is an integer number (48680128).

Almost surely, 2^641063012 is an apocalyptic number.

641063012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

641063012 is a deficient number, since it is larger than the sum of its proper divisors (527260060).

641063012 is a wasteful number, since it uses less digits than its factorization.

641063012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45899 (or 45897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 641063012 is about 25319.2221839455. Note that the first 3 decimals coincide. The cubic root of 641063012 is about 862.2507349980.

The spelling of 641063012 in words is "six hundred forty-one million, sixty-three thousand, twelve".