425421384718 has 32 divisors (see below), whose sum is σ = 709862579712. Its totient is φ = 189599844000.

The previous prime is 425421384683. The next prime is 425421384727. The reversal of 425421384718 is 817483124524.

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 15 ways as a sum of consecutive naturals, for example, 700546 + ... + 1158277.

It is an arithmetic number, because the mean of its divisors is an integer number (22183205616).

Almost surely, 2^425421384718 is an apocalyptic number.

425421384718 is a deficient number, since it is larger than the sum of its proper divisors (284441194994).

425421384718 is a wasteful number, since it uses less digits than its factorization.

425421384718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859040.

The product of its digits is 1720320, while the sum is 49.

The spelling of 425421384718 in words is "four hundred twenty-five billion, four hundred twenty-one million, three hundred eighty-four thousand, seven hundred eighteen".