2118713490 has 64 divisors (see below), whose sum is σ = 5673715200. Its totient is φ = 562609152.

The previous prime is 2118713489. The next prime is 2118713491. The reversal of 2118713490 is 943178112.

It is a happy number.

2118713490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2118713489) and next prime (2118713491).

It is not an unprimeable number, because it can be changed into a prime (2118713491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48114 + ... + 80946.

It is an arithmetic number, because the mean of its divisors is an integer number (88651800).

Almost surely, 2^2118713490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118713490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2836857600).

2118713490 is an abundant number, since it is smaller than the sum of its proper divisors (3555001710).

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

2118713490 is a wasteful number, since it uses less digits than its factorization.

2118713490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33088 (or 33082 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2118713490 is about 46029.4850068953. The cubic root of 2118713490 is about 1284.3717479805.

The spelling of 2118713490 in words is "two billion, one hundred eighteen million, seven hundred thirteen thousand, four hundred ninety".