420418529979 has 16 divisors (see below), whose sum is σ = 640794182400. Its totient is φ = 240180501600.

The previous prime is 420418529959. The next prime is 420418530013. The reversal of 420418529979 is 979925814024.

It is not a de Polignac number, because 420418529979 - 2²⁵ = 420384975547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420418529959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355972 + ... + 2528129.

It is an arithmetic number, because the mean of its divisors is an integer number (40049636400).

Almost surely, 2^420418529979 is an apocalyptic number.

420418529979 is a deficient number, since it is larger than the sum of its proper divisors (220375652421).

420418529979 is a wasteful number, since it uses less digits than its factorization.

420418529979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888210.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 420418529979 in words is "four hundred twenty billion, four hundred eighteen million, five hundred twenty-nine thousand, nine hundred seventy-nine".