109045633466591 has 2 divisors, whose sum is σ = 109045633466592. Its totient is φ = 109045633466590.

The previous prime is 109045633466573. The next prime is 109045633466603. The reversal of 109045633466591 is 195664336540901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109045633466591 - 2³⁸ = 108770755559647 is a prime.

It is a super-2 number, since 2×109045633466591² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109045633466501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54522816733295 + 54522816733296.

It is an arithmetic number, because the mean of its divisors is an integer number (54522816733296).

Almost surely, 2^{109045633466591} is an apocalyptic number.

109045633466591 is a deficient number, since it is larger than the sum of its proper divisors (1).

109045633466591 is an equidigital number, since it uses as much as digits as its factorization.

109045633466591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62985600, while the sum is 62.

The spelling of 109045633466591 in words is "one hundred nine trillion, forty-five billion, six hundred thirty-three million, four hundred sixty-six thousand, five hundred ninety-one".