659363421 has 8 divisors (see below), whose sum is σ = 902912224. Its totient is φ = 427695120.

The previous prime is 659363399. The next prime is 659363431. The reversal of 659363421 is 124363956.

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

It is not a de Polignac number, because 659363421 - 2⁵ = 659363389 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 659363421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659363431) 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, 2969995 + ... + 2970216.

It is an arithmetic number, because the mean of its divisors is an integer number (112864028).

Almost surely, 2^659363421 is an apocalyptic number.

It is an amenable number.

659363421 is a deficient number, since it is larger than the sum of its proper divisors (243548803).

659363421 is a wasteful number, since it uses less digits than its factorization.

659363421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940251.

The product of its digits is 116640, while the sum is 39.

The square root of 659363421 is about 25678.0727664675. The cubic root of 659363421 is about 870.3787583215.

The spelling of 659363421 in words is "six hundred fifty-nine million, three hundred sixty-three thousand, four hundred twenty-one".