2137698818 has 8 divisors (see below), whose sum is σ = 3281119248. Its totient is φ = 1043992404.

The previous prime is 2137698793. The next prime is 2137698853. The reversal of 2137698818 is 8188967312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2137698818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12428396 + ... + 12428567.

It is an arithmetic number, because the mean of its divisors is an integer number (410139906).

Almost surely, 2^2137698818 is an apocalyptic number.

2137698818 is a deficient number, since it is larger than the sum of its proper divisors (1143420430).

2137698818 is a wasteful number, since it uses less digits than its factorization.

2137698818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24857008.

The product of its digits is 1161216, while the sum is 53.

The square root of 2137698818 is about 46235.2551415043. The cubic root of 2137698818 is about 1288.1966706000.

The spelling of 2137698818 in words is "two billion, one hundred thirty-seven million, six hundred ninety-eight thousand, eight hundred eighteen".