2516294709 has 12 divisors (see below), whose sum is σ = 3670635852. Its totient is φ = 1660920000.

The previous prime is 2516294701. The next prime is 2516294719. The reversal of 2516294709 is 9074926152.

It can be written as a sum of positive squares in 2 ways, for example, as 1544725809 + 971568900 = 39303^2 + 31170^2 .

It is not a de Polignac number, because 2516294709 - 2³ = 2516294701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516294701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1383192 + ... + 1385009.

It is an arithmetic number, because the mean of its divisors is an integer number (305886321).

Almost surely, 2^2516294709 is an apocalyptic number.

It is an amenable number.

2516294709 is a deficient number, since it is larger than the sum of its proper divisors (1154341143).

2516294709 is a wasteful number, since it uses less digits than its factorization.

2516294709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768308 (or 2768305 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 2516294709 is about 50162.6824342558. The cubic root of 2516294709 is about 1360.1511346242.

The spelling of 2516294709 in words is "two billion, five hundred sixteen million, two hundred ninety-four thousand, seven hundred nine".