91411811429 has 2 divisors, whose sum is σ = 91411811430. Its totient is φ = 91411811428.

The previous prime is 91411811333. The next prime is 91411811453. The reversal of 91411811429 is 92411811419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91234202500 + 177608929 = 302050^2 + 13327^2 .

It is a cyclic number.

It is not a de Polignac number, because 91411811429 - 2²⁰ = 91410762853 is a prime.

It is a super-3 number, since 3×91411811429³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91411811929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45705905714 + 45705905715.

It is an arithmetic number, because the mean of its divisors is an integer number (45705905715).

Almost surely, 2^91411811429 is an apocalyptic number.

It is an amenable number.

91411811429 is a deficient number, since it is larger than the sum of its proper divisors (1).

91411811429 is an equidigital number, since it uses as much as digits as its factorization.

91411811429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 41.

The spelling of 91411811429 in words is "ninety-one billion, four hundred eleven million, eight hundred eleven thousand, four hundred twenty-nine".