89041491945 has 192 divisors, whose sum is σ = 194802762240. Its totient is φ = 38396768256.

The previous prime is 89041491941. The next prime is 89041491971. The reversal of 89041491945 is 54919414098.

It is not a de Polignac number, because 89041491945 - 2² = 89041491941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89041491891 and 89041491900.

It is not an unprimeable number, because it can be changed into a prime (89041491941) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11102577 + ... + 11110593.

It is an arithmetic number, because the mean of its divisors is an integer number (1014597720).

Almost surely, 2^89041491945 is an apocalyptic number.

It is an amenable number.

89041491945 is an abundant number, since it is smaller than the sum of its proper divisors (105761270295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89041491945 is a wasteful number, since it uses less digits than its factorization.

89041491945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 89041491945 in words is "eighty-nine billion, forty-one million, four hundred ninety-one thousand, nine hundred forty-five".