6421602369600 has 1848 divisors, whose sum is σ = 26714121311808. Its totient is φ = 1505607782400.

The previous prime is 6421602369593. The next prime is 6421602369607. The reversal of 6421602369600 is 69632061246.

6421602369600 is a `hidden beast` number, since 6 + 4 + 2 + 1 + 6 + 0 + 2 + 36 + 9 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (6421602369593) and next prime (6421602369607).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6421602369607) by changing a digit.

It is a polite number, since it can be written in 263 ways as a sum of consecutive naturals, for example, 38452708717 + ... + 38452708883.

Almost surely, 2^{6421602369600} is an apocalyptic number.

6421602369600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6421602369600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13357060655904).

6421602369600 is an abundant number, since it is smaller than the sum of its proper divisors (20292518942208).

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

6421602369600 is a wasteful number, since it uses less digits than its factorization.

6421602369600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 6421602369600 in words is "six trillion, four hundred twenty-one billion, six hundred two million, three hundred sixty-nine thousand, six hundred".