2990666459 has 16 divisors (see below), whose sum is σ = 3348937440. Its totient is φ = 2647680000.

The previous prime is 2990666453. The next prime is 2990666509. The reversal of 2990666459 is 9546660992.

It is a cyclic number.

It is not a de Polignac number, because 2990666459 - 2²⁸ = 2722231003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2990666453) by changing a digit.

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, 45707 + ... + 89835.

It is an arithmetic number, because the mean of its divisors is an integer number (209308590).

Almost surely, 2^2990666459 is an apocalyptic number.

2990666459 is a deficient number, since it is larger than the sum of its proper divisors (358270981).

2990666459 is a wasteful number, since it uses less digits than its factorization.

2990666459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44302.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The square root of 2990666459 is about 54686.9861941577. The cubic root of 2990666459 is about 1440.7523169909.

The spelling of 2990666459 in words is "two billion, nine hundred ninety million, six hundred sixty-six thousand, four hundred fifty-nine".