8994891939 has 8 divisors (see below), whose sum is σ = 13083479232. Its totient is φ = 5451449640.

The previous prime is 8994891931. The next prime is 8994891943. The reversal of 8994891939 is 9391984998.

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

It is not a de Polignac number, because 8994891939 - 2³ = 8994891931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8994891931) 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, 136286209 + ... + 136286274.

It is an arithmetic number, because the mean of its divisors is an integer number (1635434904).

Almost surely, 2^8994891939 is an apocalyptic number.

8994891939 is a deficient number, since it is larger than the sum of its proper divisors (4088587293).

8994891939 is a wasteful number, since it uses less digits than its factorization.

8994891939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272572497.

The product of its digits is 45349632, while the sum is 69.

The square root of 8994891939 is about 94841.4041386988. The cubic root of 8994891939 is about 2079.6902228356.

The spelling of 8994891939 in words is "eight billion, nine hundred ninety-four million, eight hundred ninety-one thousand, nine hundred thirty-nine".