91195674741 has 16 divisors (see below), whose sum is σ = 135139334400. Its totient is φ = 60781532544.

The previous prime is 91195674677. The next prime is 91195674761. The reversal of 91195674741 is 14747659119.

It is a happy number.

91195674741 is a `hidden beast` number, since 9 + 1 + 1 + 9 + 567 + 4 + 74 + 1 = 666.

It is not a de Polignac number, because 91195674741 - 2⁶ = 91195674677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91195674761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325116 + ... + 536741.

It is an arithmetic number, because the mean of its divisors is an integer number (8446208400).

Almost surely, 2^91195674741 is an apocalyptic number.

It is an amenable number.

91195674741 is a deficient number, since it is larger than the sum of its proper divisors (43943659659).

91195674741 is a wasteful number, since it uses less digits than its factorization.

91195674741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865785 (or 865779 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 91195674741 in words is "ninety-one billion, one hundred ninety-five million, six hundred seventy-four thousand, seven hundred forty-one".