2659870494 has 32 divisors (see below), whose sum is σ = 6101498880. Its totient is φ = 858022200.

The previous prime is 2659870469. The next prime is 2659870511. The reversal of 2659870494 is 4940789562.

2659870494 is a `hidden beast` number, since 2 + 6 + 598 + 7 + 0 + 49 + 4 = 666.

It is a super-2 number, since 2×2659870494² = 14149822089703608072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2659870494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792792 + ... + 796139.

It is an arithmetic number, because the mean of its divisors is an integer number (190671840).

Almost surely, 2^2659870494 is an apocalyptic number.

2659870494 is an abundant number, since it is smaller than the sum of its proper divisors (3441628386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2659870494 is a wasteful number, since it uses less digits than its factorization.

2659870494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588973 (or 1588967 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 2659870494 is about 51573.9323108099. The cubic root of 2659870494 is about 1385.5434957671.

The spelling of 2659870494 in words is "two billion, six hundred fifty-nine million, eight hundred seventy thousand, four hundred ninety-four".