2198517492149 has 8 divisors (see below), whose sum is σ = 2398438187040. Its totient is φ = 1998606042000.

The previous prime is 2198517492089. The next prime is 2198517492161. The reversal of 2198517492149 is 9412947158912.

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

It is a cyclic number.

It is not a de Polignac number, because 2198517492149 - 2²⁴ = 2198500714933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2198517492091 and 2198517492100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198517492169) 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, 1809194 + ... + 2769515.

It is an arithmetic number, because the mean of its divisors is an integer number (299804773380).

Almost surely, 2^{2198517492149} is an apocalyptic number.

It is an amenable number.

2198517492149 is a deficient number, since it is larger than the sum of its proper divisors (199920694891).

2198517492149 is a wasteful number, since it uses less digits than its factorization.

2198517492149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622371.

The product of its digits is 13063680, while the sum is 62.

The spelling of 2198517492149 in words is "two trillion, one hundred ninety-eight billion, five hundred seventeen million, four hundred ninety-two thousand, one hundred forty-nine".