2144776652 has 24 divisors (see below), whose sum is σ = 3838088016. Its totient is φ = 1048327488.

The previous prime is 2144776643. The next prime is 2144776663. The reversal of 2144776652 is 2566774412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40463 + ... + 76985.

It is an arithmetic number, because the mean of its divisors is an integer number (159920334).

Almost surely, 2^2144776652 is an apocalyptic number.

It is an amenable number.

2144776652 is a deficient number, since it is larger than the sum of its proper divisors (1693311364).

2144776652 is a wasteful number, since it uses less digits than its factorization.

2144776652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36857 (or 36855 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The square root of 2144776652 is about 46311.7334160577. The cubic root of 2144776652 is about 1289.6168266843.

The spelling of 2144776652 in words is "two billion, one hundred forty-four million, seven hundred seventy-six thousand, six hundred fifty-two".