2137553898 has 16 divisors (see below), whose sum is σ = 4460982336. Its totient is φ = 681538880.

The previous prime is 2137553897. The next prime is 2137553909. The reversal of 2137553898 is 8983557312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2137553898.

It is not an unprimeable number, because it can be changed into a prime (2137553897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7744623 + ... + 7744898.

It is an arithmetic number, because the mean of its divisors is an integer number (278811396).

Almost surely, 2^2137553898 is an apocalyptic number.

2137553898 is an abundant number, since it is smaller than the sum of its proper divisors (2323428438).

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

2137553898 is a wasteful number, since it uses less digits than its factorization.

2137553898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489549.

The product of its digits is 1814400, while the sum is 51.

The square root of 2137553898 is about 46233.6879126033. The cubic root of 2137553898 is about 1288.1675599073.

The spelling of 2137553898 in words is "two billion, one hundred thirty-seven million, five hundred fifty-three thousand, eight hundred ninety-eight".