2144994626 has 8 divisors (see below), whose sum is σ = 3386833680. Its totient is φ = 1016050068.

The previous prime is 2144994623. The next prime is 2144994637. The reversal of 2144994626 is 6264994412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2144994623) 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, 28223576 + ... + 28223651.

It is an arithmetic number, because the mean of its divisors is an integer number (423354210).

Almost surely, 2^2144994626 is an apocalyptic number.

2144994626 is a deficient number, since it is larger than the sum of its proper divisors (1241839054).

2144994626 is a wasteful number, since it uses less digits than its factorization.

2144994626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56447248.

The product of its digits is 746496, while the sum is 47.

The square root of 2144994626 is about 46314.0866907683. The cubic root of 2144994626 is about 1289.6605131936.

The spelling of 2144994626 in words is "two billion, one hundred forty-four million, nine hundred ninety-four thousand, six hundred twenty-six".