2144524651 has 4 divisors (see below), whose sum is σ = 2145647592. Its totient is φ = 2143401712.

The previous prime is 2144524649. The next prime is 2144524691. The reversal of 2144524651 is 1564254412.

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

It is a cyclic number.

It is not a de Polignac number, because 2144524651 - 2¹ = 2144524649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144524621) 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, 558601 + ... + 562426.

It is an arithmetic number, because the mean of its divisors is an integer number (536411898).

Almost surely, 2^2144524651 is an apocalyptic number.

2144524651 is a deficient number, since it is larger than the sum of its proper divisors (1122941).

2144524651 is a wasteful number, since it uses less digits than its factorization.

2144524651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122940.

The product of its digits is 38400, while the sum is 34.

The square root of 2144524651 is about 46309.0126325319. The cubic root of 2144524651 is about 1289.5663167693.

The spelling of 2144524651 in words is "two billion, one hundred forty-four million, five hundred twenty-four thousand, six hundred fifty-one".