421717399030 has 32 divisors (see below), whose sum is σ = 765593500896. Its totient is φ = 167245127424.

The previous prime is 421717399009. The next prime is 421717399057. The reversal of 421717399030 is 30993717124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898777 + ... + 1285003.

It is an arithmetic number, because the mean of its divisors is an integer number (23924796903).

Almost surely, 2^421717399030 is an apocalyptic number.

421717399030 is a deficient number, since it is larger than the sum of its proper divisors (343876101866).

421717399030 is a wasteful number, since it uses less digits than its factorization.

421717399030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387168.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 421717399030 in words is "four hundred twenty-one billion, seven hundred seventeen million, three hundred ninety-nine thousand, thirty".