421752853316 has 24 divisors (see below), whose sum is σ = 741896389080. Its totient is φ = 209782694912.

The previous prime is 421752853309. The next prime is 421752853351. The reversal of 421752853316 is 613358257124.

It can be written as a sum of positive squares in 4 ways, for example, as 16106148100 + 405646705216 = 126910^2 + 636904^2 .

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, 8698196 + ... + 8746548.

It is an arithmetic number, because the mean of its divisors is an integer number (30912349545).

Almost surely, 2^421752853316 is an apocalyptic number.

It is an amenable number.

421752853316 is a deficient number, since it is larger than the sum of its proper divisors (320143535764).

421752853316 is a wasteful number, since it uses less digits than its factorization.

421752853316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59623 (or 59621 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 421752853316 in words is "four hundred twenty-one billion, seven hundred fifty-two million, eight hundred fifty-three thousand, three hundred sixteen".