2144742273 has 8 divisors (see below), whose sum is σ = 3177396000. Its totient is φ = 1429828164.

The previous prime is 2144742239. The next prime is 2144742277. The reversal of 2144742273 is 3722474412.

It is not a de Polignac number, because 2144742273 - 2¹⁷ = 2144611201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144742277) 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, 39717423 + ... + 39717476.

It is an arithmetic number, because the mean of its divisors is an integer number (397174500).

Almost surely, 2^2144742273 is an apocalyptic number.

It is an amenable number.

2144742273 is a deficient number, since it is larger than the sum of its proper divisors (1032653727).

2144742273 is an equidigital number, since it uses as much as digits as its factorization.

2144742273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79434908 (or 79434902 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 2144742273 is about 46311.3622451338. The cubic root of 2144742273 is about 1289.6099361496.

The spelling of 2144742273 in words is "two billion, one hundred forty-four million, seven hundred forty-two thousand, two hundred seventy-three".