2199674879999 has 4 divisors (see below), whose sum is σ = 2275525737960. Its totient is φ = 2123824022040.

The previous prime is 2199674879971. The next prime is 2199674880001. The reversal of 2199674879999 is 9999784769912.

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 2199674879999 - 2³² = 2195379912703 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 (2199674879939) 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, 37925428937 + ... + 37925428994.

It is an arithmetic number, because the mean of its divisors is an integer number (568881434490).

Almost surely, 2^{2199674879999} is an apocalyptic number.

2199674879999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2199674879999 is a deficient number, since it is larger than the sum of its proper divisors (75850857961).

2199674879999 is an equidigital number, since it uses as much as digits as its factorization.

2199674879999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75850857960.

The product of its digits is 9999593856, while the sum is 89.

The spelling of 2199674879999 in words is "two trillion, one hundred ninety-nine billion, six hundred seventy-four million, eight hundred seventy-nine thousand, nine hundred ninety-nine".