91922529489 has 32 divisors (see below), whose sum is σ = 148427606016. Its totient is φ = 49398785280.

The previous prime is 91922529463. The next prime is 91922529533. The reversal of 91922529489 is 98492522919.

It is not a de Polignac number, because 91922529489 - 2⁹ = 91922528977 is a prime.

It is a super-2 number, since 2×91922529489² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91922529409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361164 + ... + 560610.

It is an arithmetic number, because the mean of its divisors is an integer number (4638362688).

Almost surely, 2^91922529489 is an apocalyptic number.

It is an amenable number.

91922529489 is a deficient number, since it is larger than the sum of its proper divisors (56505076527).

91922529489 is a wasteful number, since it uses less digits than its factorization.

91922529489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200765.

The product of its digits is 8398080, while the sum is 60.

The spelling of 91922529489 in words is "ninety-one billion, nine hundred twenty-two million, five hundred twenty-nine thousand, four hundred eighty-nine".