363861421398 has 24 divisors (see below), whose sum is σ = 788383316136. Its totient is φ = 121284540000.

The previous prime is 363861421397. The next prime is 363861421421. The reversal of 363861421398 is 893124168363.

363861421398 is a `hidden beast` number, since 3 + 6 + 3 + 8 + 614 + 2 + 13 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363861421397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766773 + ... + 1147023.

It is an arithmetic number, because the mean of its divisors is an integer number (32849304839).

Almost surely, 2^363861421398 is an apocalyptic number.

363861421398 is an abundant number, since it is smaller than the sum of its proper divisors (424521894738).

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

363861421398 is a wasteful number, since it uses less digits than its factorization.

363861421398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433420 (or 433417 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 363861421398 in words is "three hundred sixty-three billion, eight hundred sixty-one million, four hundred twenty-one thousand, three hundred ninety-eight".