421825668134 has 16 divisors (see below), whose sum is σ = 681422964768. Its totient is φ = 194685264192.

The previous prime is 421825668079. The next prime is 421825668181. The reversal of 421825668134 is 431866528124.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1829954 + ... + 2047530.

It is an arithmetic number, because the mean of its divisors is an integer number (42588935298).

Almost surely, 2^421825668134 is an apocalyptic number.

421825668134 is a deficient number, since it is larger than the sum of its proper divisors (259597296634).

421825668134 is a wasteful number, since it uses less digits than its factorization.

421825668134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292159.

The product of its digits is 2211840, while the sum is 50.

The spelling of 421825668134 in words is "four hundred twenty-one billion, eight hundred twenty-five million, six hundred sixty-eight thousand, one hundred thirty-four".