2659464899 has 32 divisors (see below), whose sum is σ = 3359784960. Its totient is φ = 2049121152.

The previous prime is 2659464883. The next prime is 2659464901. The reversal of 2659464899 is 9984649562.

It is a happy number.

It is a Cunningham number, because it is equal to 51570²-1.

It is not a de Polignac number, because 2659464899 - 2⁴ = 2659464883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2659464809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668414 + ... + 672380.

It is an arithmetic number, because the mean of its divisors is an integer number (104993280).

Almost surely, 2^2659464899 is an apocalyptic number.

2659464899 is a deficient number, since it is larger than the sum of its proper divisors (700320061).

2659464899 is a wasteful number, since it uses less digits than its factorization.

2659464899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179.

The product of its digits is 33592320, while the sum is 62.

The square root of 2659464899 is about 51569.9999903044. Note that the first 5 decimals coincide. The cubic root of 2659464899 is about 1385.4730665135.

The spelling of 2659464899 in words is "two billion, six hundred fifty-nine million, four hundred sixty-four thousand, eight hundred ninety-nine".