6398703689400 has 144 divisors (see below), whose sum is σ = 23442523589160. Its totient is φ = 1551200889600.

The previous prime is 6398703689377. The next prime is 6398703689437. The reversal of 6398703689400 is 49863078936.

6398703689400 is a `hidden beast` number, since 63 + 98 + 7 + 0 + 3 + 6 + 89 + 400 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 161563627 + ... + 161603226.

Almost surely, 2^{6398703689400} is an apocalyptic number.

6398703689400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6398703689400 is an abundant number, since it is smaller than the sum of its proper divisors (17043819899760).

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

6398703689400 is a wasteful number, since it uses less digits than its factorization.

6398703689400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323166886 (or 323166874 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 6398703689400 in words is "six trillion, three hundred ninety-eight billion, seven hundred three million, six hundred eighty-nine thousand, four hundred".