421334482516 has 12 divisors (see below), whose sum is σ = 737833217940. Its totient is φ = 210524991680.

The previous prime is 421334482469. The next prime is 421334482529. The reversal of 421334482516 is 615284433124.

It can be written as a sum of positive squares in 2 ways, for example, as 134087792400 + 287246690116 = 366180^2 + 535954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35555731 + ... + 35567578.

It is an arithmetic number, because the mean of its divisors is an integer number (61486101495).

Almost surely, 2^421334482516 is an apocalyptic number.

It is an amenable number.

421334482516 is a deficient number, since it is larger than the sum of its proper divisors (316498735424).

421334482516 is a wasteful number, since it uses less digits than its factorization.

421334482516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71124794 (or 71124792 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The spelling of 421334482516 in words is "four hundred twenty-one billion, three hundred thirty-four million, four hundred eighty-two thousand, five hundred sixteen".