2192746671663 has 4 divisors (see below), whose sum is σ = 2923662228888. Its totient is φ = 1461831114440.

The previous prime is 2192746671637. The next prime is 2192746671671. The reversal of 2192746671663 is 3661766472912.

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 2192746671663 - 2³² = 2188451704367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2192746671597 and 2192746671606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192746671673) 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, 365457778608 + ... + 365457778613.

It is an arithmetic number, because the mean of its divisors is an integer number (730915557222).

Almost surely, 2^{2192746671663} is an apocalyptic number.

2192746671663 is a deficient number, since it is larger than the sum of its proper divisors (730915557225).

2192746671663 is an equidigital number, since it uses as much as digits as its factorization.

2192746671663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730915557224.

The product of its digits is 27433728, while the sum is 60.

The spelling of 2192746671663 in words is "two trillion, one hundred ninety-two billion, seven hundred forty-six million, six hundred seventy-one thousand, six hundred sixty-three".