2918100489 has 4 divisors (see below), whose sum is σ = 3890800656. Its totient is φ = 1945400324.

The previous prime is 2918100481. The next prime is 2918100527. The reversal of 2918100489 is 9840018192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2918100489 - 2³ = 2918100481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2918100489.

It is not an unprimeable number, because it can be changed into a prime (2918100481) 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, 486350079 + ... + 486350084.

It is an arithmetic number, because the mean of its divisors is an integer number (972700164).

Almost surely, 2^2918100489 is an apocalyptic number.

It is an amenable number.

2918100489 is a deficient number, since it is larger than the sum of its proper divisors (972700167).

2918100489 is an equidigital number, since it uses as much as digits as its factorization.

2918100489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972700166.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 2918100489 is about 54019.4454710524. The cubic root of 2918100489 is about 1429.0039013149.

The spelling of 2918100489 in words is "two billion, nine hundred eighteen million, one hundred thousand, four hundred eighty-nine".