2192998870487 has 4 divisors (see below), whose sum is σ = 2234376207720. Its totient is φ = 2151621533256.

The previous prime is 2192998870463. The next prime is 2192998870493. The reversal of 2192998870487 is 7840788992912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2192998870487 - 2²⁸ = 2192730435031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192998872487) 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, 20688668537 + ... + 20688668642.

It is an arithmetic number, because the mean of its divisors is an integer number (558594051930).

Almost surely, 2^{2192998870487} is an apocalyptic number.

2192998870487 is a deficient number, since it is larger than the sum of its proper divisors (41377337233).

2192998870487 is an equidigital number, since it uses as much as digits as its factorization.

2192998870487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41377337232.

The product of its (nonzero) digits is 292626432, while the sum is 74.

The spelling of 2192998870487 in words is "two trillion, one hundred ninety-two billion, nine hundred ninety-eight million, eight hundred seventy thousand, four hundred eighty-seven".