421094989516 has 24 divisors (see below), whose sum is σ = 743489162640. Its totient is φ = 208669773312.

The previous prime is 421094989429. The next prime is 421094989573. The reversal of 421094989516 is 615989490124.

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, 9803695 + ... + 9846553.

It is an arithmetic number, because the mean of its divisors is an integer number (30978715110).

Almost surely, 2^421094989516 is an apocalyptic number.

It is an amenable number.

421094989516 is a deficient number, since it is larger than the sum of its proper divisors (322394173124).

421094989516 is a wasteful number, since it uses less digits than its factorization.

421094989516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64713 (or 64711 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 421094989516 in words is "four hundred twenty-one billion, ninety-four million, nine hundred eighty-nine thousand, five hundred sixteen".