2109137932898 has 8 divisors (see below), whose sum is σ = 3164913968220. Its totient is φ = 1054166610160.

The previous prime is 2109137932897. The next prime is 2109137932901. The reversal of 2109137932898 is 8982397319012.

It can be written as a sum of positive squares in 2 ways, for example, as 1788620036449 + 320517896449 = 1337393^2 + 566143^2 .

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 2109137932898.

It is not an unprimeable number, because it can be changed into a prime (2109137932897) 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, 201171593 + ... + 201182076.

Almost surely, 2^{2109137932898} is an apocalyptic number.

2109137932898 is a deficient number, since it is larger than the sum of its proper divisors (1055776035322).

2109137932898 is a wasteful number, since it uses less digits than its factorization.

2109137932898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402356292.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 2109137932898 in words is "two trillion, one hundred nine billion, one hundred thirty-seven million, nine hundred thirty-two thousand, eight hundred ninety-eight".