2981023099 has 4 divisors (see below), whose sum is σ = 2981137320. Its totient is φ = 2980908880.

The previous prime is 2981023093. The next prime is 2981023127. The reversal of 2981023099 is 9903201892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2981023099 - 2²⁷ = 2846805371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2981023093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432 + ... + 77290.

It is an arithmetic number, because the mean of its divisors is an integer number (745284330).

Almost surely, 2^2981023099 is an apocalyptic number.

2981023099 is a deficient number, since it is larger than the sum of its proper divisors (114221).

2981023099 is an equidigital number, since it uses as much as digits as its factorization.

2981023099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114220.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2981023099 is about 54598.7463134457. The cubic root of 2981023099 is about 1439.2020880146.

The spelling of 2981023099 in words is "two billion, nine hundred eighty-one million, twenty-three thousand, ninety-nine".