420179913 has 16 divisors (see below), whose sum is σ = 622845760. Its totient is φ = 279959328.

The previous prime is 420179909. The next prime is 420179923. The reversal of 420179913 is 319971024.

It is not a de Polignac number, because 420179913 - 2² = 420179909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420179923) 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, 60906 + ... + 67452.

It is an arithmetic number, because the mean of its divisors is an integer number (38927860).

Almost surely, 2^420179913 is an apocalyptic number.

It is an amenable number.

420179913 is a deficient number, since it is larger than the sum of its proper divisors (202665847).

420179913 is a wasteful number, since it uses less digits than its factorization.

420179913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933 (or 8927 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 420179913 is about 20498.2904896969. The cubic root of 420179913 is about 748.9941556392.

The spelling of 420179913 in words is "four hundred twenty million, one hundred seventy-nine thousand, nine hundred thirteen".