421650022402036 has 6 divisors (see below), whose sum is σ = 737887539203570. Its totient is φ = 210825011201016.

The previous prime is 421650022401941. The next prime is 421650022402039. The reversal of 421650022402036 is 630204220056124.

It can be written as a sum of positive squares in only one way, i.e., 367725879392400 + 53924143009636 = 19176180^2 + 7343306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421650022401986 and 421650022402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421650022402039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52706252800251 + ... + 52706252800258.

Almost surely, 2^{421650022402036} is an apocalyptic number.

It is an amenable number.

421650022402036 is a deficient number, since it is larger than the sum of its proper divisors (316237516801534).

421650022402036 is a wasteful number, since it uses less digits than its factorization.

421650022402036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105412505600513 (or 105412505600511 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 421650022402036 in words is "four hundred twenty-one trillion, six hundred fifty billion, twenty-two million, four hundred two thousand, thirty-six".