2799424091309 has 2 divisors, whose sum is σ = 2799424091310. Its totient is φ = 2799424091308.

The previous prime is 2799424091287. The next prime is 2799424091329. The reversal of 2799424091309 is 9031904249972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2169131003209 + 630293088100 = 1472797^2 + 793910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2799424091309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2799424091329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399712045654 + 1399712045655.

It is an arithmetic number, because the mean of its divisors is an integer number (1399712045655).

Almost surely, 2^{2799424091309} is an apocalyptic number.

It is an amenable number.

2799424091309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2799424091309 is an equidigital number, since it uses as much as digits as its factorization.

2799424091309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 2799424091309 in words is "two trillion, seven hundred ninety-nine billion, four hundred twenty-four million, ninety-one thousand, three hundred nine".