2196514020457 has 2 divisors, whose sum is σ = 2196514020458. Its totient is φ = 2196514020456.

The previous prime is 2196514020443. The next prime is 2196514020521. The reversal of 2196514020457 is 7540204156912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1441658877481 + 754855142976 = 1200691^2 + 868824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2196514020457 - 2¹⁹ = 2196513496169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2196554020457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098257010228 + 1098257010229.

It is an arithmetic number, because the mean of its divisors is an integer number (1098257010229).

Almost surely, 2^{2196514020457} is an apocalyptic number.

It is an amenable number.

2196514020457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196514020457 is an equidigital number, since it uses as much as digits as its factorization.

2196514020457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 2196514020457 in words is "two trillion, one hundred ninety-six billion, five hundred fourteen million, twenty thousand, four hundred fifty-seven".