2652618691 has 2 divisors, whose sum is σ = 2652618692. Its totient is φ = 2652618690.

The previous prime is 2652618679. The next prime is 2652618781. The reversal of 2652618691 is 1968162562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2652618691 - 2⁹ = 2652618179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2652618601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326309345 + 1326309346.

It is an arithmetic number, because the mean of its divisors is an integer number (1326309346).

Almost surely, 2^2652618691 is an apocalyptic number.

2652618691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2652618691 is an equidigital number, since it uses as much as digits as its factorization.

2652618691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 2652618691 is about 51503.5793998825. The cubic root of 2652618691 is about 1384.2831795711.

The spelling of 2652618691 in words is "two billion, six hundred fifty-two million, six hundred eighteen thousand, six hundred ninety-one".