85465656499 has 2 divisors, whose sum is σ = 85465656500. Its totient is φ = 85465656498.

The previous prime is 85465656449. The next prime is 85465656517. The reversal of 85465656499 is 99465656458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85465656499 - 2⁹ = 85465655987 is a prime.

It is not a weakly prime, because it can be changed into another prime (85465656449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42732828249 + 42732828250.

It is an arithmetic number, because the mean of its divisors is an integer number (42732828250).

Almost surely, 2^85465656499 is an apocalyptic number.

85465656499 is a deficient number, since it is larger than the sum of its proper divisors (1).

85465656499 is an equidigital number, since it uses as much as digits as its factorization.

85465656499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936000, while the sum is 67.

The spelling of 85465656499 in words is "eighty-five billion, four hundred sixty-five million, six hundred fifty-six thousand, four hundred ninety-nine".