641213125764600 has 96 divisors (see below), whose sum is σ = 1987764623850240. Its totient is φ = 170989828464000.

The previous prime is 641213125764509. The next prime is 641213125764661. The reversal of 641213125764600 is 6467521312146.

It is a super-2 number, since 2×641213125764600² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641213125764600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500162415 + ... + 501442785.

It is an arithmetic number, because the mean of its divisors is an integer number (20705881498440).

Almost surely, 2^{641213125764600} is an apocalyptic number.

641213125764600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

641213125764600 is an abundant number, since it is smaller than the sum of its proper divisors (1346551498085640).

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

641213125764600 is a wasteful number, since it uses less digits than its factorization.

641213125764600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115061 (or 2115052 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 641213125764600 in words is "six hundred forty-one trillion, two hundred thirteen billion, one hundred twenty-five million, seven hundred sixty-four thousand, six hundred".