420618713 has 8 divisors (see below), whose sum is σ = 453556320. Its totient is φ = 388761120.

The previous prime is 420618703. The next prime is 420618739. The reversal of 420618713 is 317816024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420618713 - 2²² = 416424409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420618713.

It is not an unprimeable number, because it can be changed into a prime (420618703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269195 + ... + 270752.

It is an arithmetic number, because the mean of its divisors is an integer number (56694540).

Almost surely, 2^420618713 is an apocalyptic number.

It is an amenable number.

420618713 is a deficient number, since it is larger than the sum of its proper divisors (32937607).

420618713 is a wasteful number, since it uses less digits than its factorization.

420618713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540007.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 420618713 is about 20508.9910283271. The cubic root of 420618713 is about 749.2547934311.

The spelling of 420618713 in words is "four hundred twenty million, six hundred eighteen thousand, seven hundred thirteen".