2144596831 has 4 divisors (see below), whose sum is σ = 2309565832. Its totient is φ = 1979627832.

The previous prime is 2144596807. The next prime is 2144596837. The reversal of 2144596831 is 1386954412.

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

It is a de Polignac number, because none of the positive numbers 2^k-2144596831 is a prime.

It is a super-2 number, since 2×2144596831² = 9198591135070485122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144596837) 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, 82484481 + ... + 82484506.

It is an arithmetic number, because the mean of its divisors is an integer number (577391458).

Almost surely, 2^2144596831 is an apocalyptic number.

2144596831 is a deficient number, since it is larger than the sum of its proper divisors (164969001).

2144596831 is a wasteful number, since it uses less digits than its factorization.

2144596831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164969000.

The product of its digits is 207360, while the sum is 43.

The square root of 2144596831 is about 46309.7919559136. The cubic root of 2144596831 is about 1289.5807845991.

The spelling of 2144596831 in words is "two billion, one hundred forty-four million, five hundred ninety-six thousand, eight hundred thirty-one".