2118998937 has 16 divisors (see below), whose sum is σ = 3106455552. Its totient is φ = 1274127120.

The previous prime is 2118998933. The next prime is 2118998963. The reversal of 2118998937 is 7398998112.

It is not a de Polignac number, because 2118998937 - 2² = 2118998933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2118998933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248613 + ... + 256994.

It is an arithmetic number, because the mean of its divisors is an integer number (194153472).

Almost surely, 2^2118998937 is an apocalyptic number.

It is an amenable number.

2118998937 is a deficient number, since it is larger than the sum of its proper divisors (987456615).

2118998937 is a wasteful number, since it uses less digits than its factorization.

2118998937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505748.

The product of its digits is 1959552, while the sum is 57.

The square root of 2118998937 is about 46032.5855997683. The cubic root of 2118998937 is about 1284.4294250568.

The spelling of 2118998937 in words is "two billion, one hundred eighteen million, nine hundred ninety-eight thousand, nine hundred thirty-seven".