91411810907 has 2 divisors, whose sum is σ = 91411810908. Its totient is φ = 91411810906.

The previous prime is 91411810829. The next prime is 91411810913. The reversal of 91411810907 is 70901811419.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91411810907 is a prime.

It is a super-2 number, since 2×91411810907² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (91411810937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45705905453 + 45705905454.

It is an arithmetic number, because the mean of its divisors is an integer number (45705905454).

Almost surely, 2^91411810907 is an apocalyptic number.

91411810907 is a deficient number, since it is larger than the sum of its proper divisors (1).

91411810907 is an equidigital number, since it uses as much as digits as its factorization.

91411810907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 91411810907 in words is "ninety-one billion, four hundred eleven million, eight hundred ten thousand, nine hundred seven".