2144154799 has 2 divisors, whose sum is σ = 2144154800. Its totient is φ = 2144154798.

The previous prime is 2144154791. The next prime is 2144154821. The reversal of 2144154799 is 9974514412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144154799 - 2³ = 2144154791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144154791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072077399 + 1072077400.

It is an arithmetic number, because the mean of its divisors is an integer number (1072077400).

Almost surely, 2^2144154799 is an apocalyptic number.

2144154799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144154799 is an equidigital number, since it uses as much as digits as its factorization.

2144154799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 2144154799 is about 46305.0191555948. The cubic root of 2144154799 is about 1289.4921781791.

The spelling of 2144154799 in words is "two billion, one hundred forty-four million, one hundred fifty-four thousand, seven hundred ninety-nine".