2497311863 has 2 divisors, whose sum is σ = 2497311864. Its totient is φ = 2497311862.

The previous prime is 2497311853. The next prime is 2497311889. The reversal of 2497311863 is 3681137942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2497311863 - 2⁴ = 2497311847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2497311833) 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, 1248655931 + 1248655932.

It is an arithmetic number, because the mean of its divisors is an integer number (1248655932).

Almost surely, 2^2497311863 is an apocalyptic number.

2497311863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497311863 is an equidigital number, since it uses as much as digits as its factorization.

2497311863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 2497311863 is about 49973.1114000319. Note that the first 3 decimals coincide. The cubic root of 2497311863 is about 1356.7221854126.

The spelling of 2497311863 in words is "two billion, four hundred ninety-seven million, three hundred eleven thousand, eight hundred sixty-three".