2144737830 has 16 divisors (see below), whose sum is σ = 5147370864. Its totient is φ = 571930080.

The previous prime is 2144737813. The next prime is 2144737831. The reversal of 2144737830 is 387374412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144737831) 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, 35745601 + ... + 35745660.

It is an arithmetic number, because the mean of its divisors is an integer number (321710679).

Almost surely, 2^2144737830 is an apocalyptic number.

2144737830 is an abundant number, since it is smaller than the sum of its proper divisors (3002633034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144737830 is a wasteful number, since it uses less digits than its factorization.

2144737830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71491271.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 2144737830 is about 46311.3142763191. The cubic root of 2144737830 is about 1289.6090456400.

The spelling of 2144737830 in words is "two billion, one hundred forty-four million, seven hundred thirty-seven thousand, eight hundred thirty".