99189992622489 has 16 divisors (see below), whose sum is σ = 132561433566912. Its totient is φ = 65972612878848.

The previous prime is 99189992622473. The next prime is 99189992622491. The reversal of 99189992622489 is 98422629998199.

It is not a de Polignac number, because 99189992622489 - 2⁴ = 99189992622473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99189992622089) 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, 65837982 + ... + 67327704.

It is an arithmetic number, because the mean of its divisors is an integer number (8285089597932).

Almost surely, 2^{99189992622489} is an apocalyptic number.

It is an amenable number.

99189992622489 is a deficient number, since it is larger than the sum of its proper divisors (33371440944423).

99189992622489 is a wasteful number, since it uses less digits than its factorization.

99189992622489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541416.

The product of its digits is 6530347008, while the sum is 87.

The spelling of 99189992622489 in words is "ninety-nine trillion, one hundred eighty-nine billion, nine hundred ninety-two million, six hundred twenty-two thousand, four hundred eighty-nine".