421342634306 has 32 divisors (see below), whose sum is σ = 700114326912. Its totient is φ = 188582607360.

The previous prime is 421342634281. The next prime is 421342634309. The reversal of 421342634306 is 603436243124.

It is a self number, because there is not a number n which added to its sum of digits gives 421342634306.

It is not an unprimeable number, because it can be changed into a prime (421342634309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80726 + ... + 921521.

It is an arithmetic number, because the mean of its divisors is an integer number (21878572716).

Almost surely, 2^421342634306 is an apocalyptic number.

421342634306 is a deficient number, since it is larger than the sum of its proper divisors (278771692606).

421342634306 is a wasteful number, since it uses less digits than its factorization.

421342634306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002554.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 421342634306 in words is "four hundred twenty-one billion, three hundred forty-two million, six hundred thirty-four thousand, three hundred six".