2659494312 has 24 divisors (see below), whose sum is σ = 7202797290. Its totient is φ = 886498080.

The previous prime is 2659494311. The next prime is 2659494319. The reversal of 2659494312 is 2134949562.

2659494312 is a `hidden beast` number, since 2 + 6 + 594 + 9 + 43 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2420049636 + 239444676 = 49194^2 + 15474^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2659494311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18468639 + ... + 18468782.

Almost surely, 2^2659494312 is an apocalyptic number.

It is an amenable number.

2659494312 is an abundant number, since it is smaller than the sum of its proper divisors (4543302978).

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

2659494312 is a wasteful number, since it uses less digits than its factorization.

2659494312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36937433 (or 36937426 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2659494312 is about 51570.2851650056. The cubic root of 2659494312 is about 1385.4781741537.

The spelling of 2659494312 in words is "two billion, six hundred fifty-nine million, four hundred ninety-four thousand, three hundred twelve".