2662791539 has 2 divisors, whose sum is σ = 2662791540. Its totient is φ = 2662791538.

The previous prime is 2662791517. The next prime is 2662791541. The reversal of 2662791539 is 9351972662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662791539 is a prime.

It is a Sophie Germain prime.

Together with 2662791541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2662791589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331395769 + 1331395770.

It is an arithmetic number, because the mean of its divisors is an integer number (1331395770).

Almost surely, 2^2662791539 is an apocalyptic number.

2662791539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662791539 is an equidigital number, since it uses as much as digits as its factorization.

2662791539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 2662791539 is about 51602.2435461870. The cubic root of 2662791539 is about 1386.0505072009.

The spelling of 2662791539 in words is "two billion, six hundred sixty-two million, seven hundred ninety-one thousand, five hundred thirty-nine".