1716235952491 has 2 divisors, whose sum is σ = 1716235952492. Its totient is φ = 1716235952490.

The previous prime is 1716235952441. The next prime is 1716235952521. The reversal of 1716235952491 is 1942595326171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1716235952491 - 2²⁵ = 1716202398059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1716235952411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858117976245 + 858117976246.

It is an arithmetic number, because the mean of its divisors is an integer number (858117976246).

Almost surely, 2^{1716235952491} is an apocalyptic number.

1716235952491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716235952491 is an equidigital number, since it uses as much as digits as its factorization.

1716235952491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 55.

The spelling of 1716235952491 in words is "one trillion, seven hundred sixteen billion, two hundred thirty-five million, nine hundred fifty-two thousand, four hundred ninety-one".