2656013519 has 2 divisors, whose sum is σ = 2656013520. Its totient is φ = 2656013518.

The previous prime is 2656013509. The next prime is 2656013597. The reversal of 2656013519 is 9153106562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2656013519 is a prime.

It is a super-2 number, since 2×2656013519² = 14108815626221526722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656013509) 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 as a sum of consecutive naturals, namely, 1328006759 + 1328006760.

It is an arithmetic number, because the mean of its divisors is an integer number (1328006760).

Almost surely, 2^2656013519 is an apocalyptic number.

2656013519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656013519 is an equidigital number, since it uses as much as digits as its factorization.

2656013519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2656013519 is about 51536.5260664706. The cubic root of 2656013519 is about 1384.8734641791.

The spelling of 2656013519 in words is "two billion, six hundred fifty-six million, thirteen thousand, five hundred nineteen".