91413759652 has 24 divisors (see below), whose sum is σ = 168862881600. Its totient is φ = 43180625376.

The previous prime is 91413759631. The next prime is 91413759683. The reversal of 91413759652 is 25695731419.

It is a super-2 number, since 2×91413759652² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91413759652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647943 + ... + 1702510.

It is an arithmetic number, because the mean of its divisors is an integer number (7035953400).

Almost surely, 2^91413759652 is an apocalyptic number.

It is an amenable number.

91413759652 is a deficient number, since it is larger than the sum of its proper divisors (77449121948).

91413759652 is a wasteful number, since it uses less digits than its factorization.

91413759652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350835 (or 3350833 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The spelling of 91413759652 in words is "ninety-one billion, four hundred thirteen million, seven hundred fifty-nine thousand, six hundred fifty-two".