6464268523998 has 24 divisors (see below), whose sum is σ = 14006021837808. Its totient is φ = 2154739758912.

The previous prime is 6464268523981. The next prime is 6464268524003. The reversal of 6464268523998 is 8993258624646.

6464268523998 is a `hidden beast` number, since 6 + 4 + 6 + 4 + 2 + 6 + 8 + 523 + 9 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1189590 + ... + 3787302.

It is an arithmetic number, because the mean of its divisors is an integer number (583584243242).

Almost surely, 2^{6464268523998} is an apocalyptic number.

6464268523998 is an abundant number, since it is smaller than the sum of its proper divisors (7541753313810).

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

6464268523998 is a wasteful number, since it uses less digits than its factorization.

6464268523998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735968 (or 2735965 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 72.

The spelling of 6464268523998 in words is "six trillion, four hundred sixty-four billion, two hundred sixty-eight million, five hundred twenty-three thousand, nine hundred ninety-eight".