2747490917 has 2 divisors, whose sum is σ = 2747490918. Its totient is φ = 2747490916.

The previous prime is 2747490899. The next prime is 2747490931. The reversal of 2747490917 is 7190947472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2253495841 + 493995076 = 47471^2 + 22226^2 .

It is a cyclic number.

It is not a de Polignac number, because 2747490917 - 2²⁰ = 2746442341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2747490997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373745458 + 1373745459.

It is an arithmetic number, because the mean of its divisors is an integer number (1373745459).

Almost surely, 2^2747490917 is an apocalyptic number.

It is an amenable number.

2747490917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2747490917 is an equidigital number, since it uses as much as digits as its factorization.

2747490917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 2747490917 is about 52416.5137814411. The cubic root of 2747490917 is about 1400.5934417796.

The spelling of 2747490917 in words is "two billion, seven hundred forty-seven million, four hundred ninety thousand, nine hundred seventeen".