659802494 has 8 divisors (see below), whose sum is σ = 1065834840. Its totient is φ = 304524216.

The previous prime is 659802469. The next prime is 659802499. The reversal of 659802494 is 494208956.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659802499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12688484 + ... + 12688535.

It is an arithmetic number, because the mean of its divisors is an integer number (133229355).

Almost surely, 2^659802494 is an apocalyptic number.

659802494 is a deficient number, since it is larger than the sum of its proper divisors (406032346).

659802494 is a wasteful number, since it uses less digits than its factorization.

659802494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25377034.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 659802494 is about 25686.6209143982. The cubic root of 659802494 is about 870.5719118008.

The spelling of 659802494 in words is "six hundred fifty-nine million, eight hundred two thousand, four hundred ninety-four".