995953564691 has 2 divisors, whose sum is σ = 995953564692. Its totient is φ = 995953564690.

The previous prime is 995953564681. The next prime is 995953564733. The reversal of 995953564691 is 196465359599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 995953564691 - 2¹⁴ = 995953548307 is a prime.

It is not a weakly prime, because it can be changed into another prime (995953564681) 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, 497976782345 + 497976782346.

It is an arithmetic number, because the mean of its divisors is an integer number (497976782346).

Almost surely, 2^995953564691 is an apocalyptic number.

995953564691 is a deficient number, since it is larger than the sum of its proper divisors (1).

995953564691 is an equidigital number, since it uses as much as digits as its factorization.

995953564691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 354294000, while the sum is 71.

The spelling of 995953564691 in words is "nine hundred ninety-five billion, nine hundred fifty-three million, five hundred sixty-four thousand, six hundred ninety-one".