2495964643 has 2 divisors, whose sum is σ = 2495964644. Its totient is φ = 2495964642.

The previous prime is 2495964637. The next prime is 2495964649. The reversal of 2495964643 is 3464695942.

It is a happy number.

2495964643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2495964637) and next prime (2495964649).

It is a cyclic number.

It is not a de Polignac number, because 2495964643 - 2²¹ = 2493867491 is a prime.

It is a super-2 number, since 2×2495964643² = 12459678998212234898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2495964649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247982321 + 1247982322.

It is an arithmetic number, because the mean of its divisors is an integer number (1247982322).

Almost surely, 2^2495964643 is an apocalyptic number.

2495964643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495964643 is an equidigital number, since it uses as much as digits as its factorization.

2495964643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 52.

The square root of 2495964643 is about 49959.6301327382. The cubic root of 2495964643 is about 1356.4781720973.

The spelling of 2495964643 in words is "two billion, four hundred ninety-five million, nine hundred sixty-four thousand, six hundred forty-three".