2798562997 has 2 divisors, whose sum is σ = 2798562998. Its totient is φ = 2798562996.

The previous prime is 2798562961. The next prime is 2798563007. The reversal of 2798562997 is 7992658972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2520140401 + 278422596 = 50201^2 + 16686^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798562997 - 2¹⁹ = 2798038709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798562947) 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, 1399281498 + 1399281499.

It is an arithmetic number, because the mean of its divisors is an integer number (1399281499).

Almost surely, 2^2798562997 is an apocalyptic number.

It is an amenable number.

2798562997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798562997 is an equidigital number, since it uses as much as digits as its factorization.

2798562997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 64.

The square root of 2798562997 is about 52901.4460766433. The cubic root of 2798562997 is about 1409.2185863569.

The spelling of 2798562997 in words is "two billion, seven hundred ninety-eight million, five hundred sixty-two thousand, nine hundred ninety-seven".