91325119690 has 16 divisors (see below), whose sum is σ = 187868817792. Its totient is φ = 31311469584.

The previous prime is 91325119651. The next prime is 91325119729. The reversal of 91325119690 is 9691152319.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91325119651) and next prime (91325119729).

It is a super-2 number, since 2×91325119690² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91325119690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652322214 + ... + 652322353.

It is an arithmetic number, because the mean of its divisors is an integer number (11741801112).

Almost surely, 2^91325119690 is an apocalyptic number.

91325119690 is an abundant number, since it is smaller than the sum of its proper divisors (96543698102).

91325119690 is a wasteful number, since it uses less digits than its factorization.

91325119690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304644581.

The product of its (nonzero) digits is 131220, while the sum is 46.

The spelling of 91325119690 in words is "ninety-one billion, three hundred twenty-five million, one hundred nineteen thousand, six hundred ninety".