8745749989 has 8 divisors (see below), whose sum is σ = 9401927040. Its totient is φ = 8109160416.

The previous prime is 8745749963. The next prime is 8745749993. The reversal of 8745749989 is 9899475478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8745749989 - 2³³ = 155815397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8745749959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4895944 + ... + 4897729.

It is an arithmetic number, because the mean of its divisors is an integer number (1175240880).

Almost surely, 2^8745749989 is an apocalyptic number.

It is an amenable number.

8745749989 is a deficient number, since it is larger than the sum of its proper divisors (656177051).

8745749989 is a wasteful number, since it uses less digits than its factorization.

8745749989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793739.

The product of its digits is 182891520, while the sum is 70.

The square root of 8745749989 is about 93518.7146457863. The cubic root of 8745749989 is about 2060.3089671524.

The spelling of 8745749989 in words is "eight billion, seven hundred forty-five million, seven hundred forty-nine thousand, nine hundred eighty-nine".