2496711661 has 2 divisors, whose sum is σ = 2496711662. Its totient is φ = 2496711660.

The previous prime is 2496711631. The next prime is 2496711671. The reversal of 2496711661 is 1661176942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1656001636 + 840710025 = 40694^2 + 28995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2496711661 - 2⁷ = 2496711533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2496711631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248355830 + 1248355831.

It is an arithmetic number, because the mean of its divisors is an integer number (1248355831).

Almost surely, 2^2496711661 is an apocalyptic number.

It is an amenable number.

2496711661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2496711661 is an equidigital number, since it uses as much as digits as its factorization.

2496711661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 2496711661 is about 49967.1057897093. The cubic root of 2496711661 is about 1356.6134855173.

The spelling of 2496711661 in words is "two billion, four hundred ninety-six million, seven hundred eleven thousand, six hundred sixty-one".