91441410133 has 2 divisors, whose sum is σ = 91441410134. Its totient is φ = 91441410132.

The previous prime is 91441410121. The next prime is 91441410139. The reversal of 91441410133 is 33101414419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83566090084 + 7875320049 = 289078^2 + 88743^2 .

It is an emirp because it is prime and its reverse (33101414419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91441410133 - 2²¹ = 91439312981 is a prime.

It is a super-2 number, since 2×91441410133² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91441410095 and 91441410104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91441410139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45720705066 + 45720705067.

It is an arithmetic number, because the mean of its divisors is an integer number (45720705067).

Almost surely, 2^91441410133 is an apocalyptic number.

It is an amenable number.

91441410133 is a deficient number, since it is larger than the sum of its proper divisors (1).

91441410133 is an equidigital number, since it uses as much as digits as its factorization.

91441410133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 91441410133 in words is "ninety-one billion, four hundred forty-one million, four hundred ten thousand, one hundred thirty-three".