421084614020856 has 32 divisors (see below), whose sum is σ = 1059169888037760. Its totient is φ = 139500424275552.

The previous prime is 421084614020839. The next prime is 421084614020927. The reversal of 421084614020856 is 658020416480124.

It is a junction number, because it is equal to n+sod(n) for n = 421084614020799 and 421084614020808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53819604220 + ... + 53819612043.

It is an arithmetic number, because the mean of its divisors is an integer number (33099059001180).

Almost surely, 2^{421084614020856} is an apocalyptic number.

It is an amenable number.

421084614020856 is an abundant number, since it is smaller than the sum of its proper divisors (638085274016904).

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

421084614020856 is a wasteful number, since it uses less digits than its factorization.

421084614020856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107639216435 (or 107639216431 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 421084614020856 in words is "four hundred twenty-one trillion, eighty-four billion, six hundred fourteen million, twenty thousand, eight hundred fifty-six".