2125322644 has 24 divisors (see below), whose sum is σ = 3811455648. Its totient is φ = 1036408800.

The previous prime is 2125322627. The next prime is 2125322663. The reversal of 2125322644 is 4462235212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111759 + ... + 129385.

It is an arithmetic number, because the mean of its divisors is an integer number (158810652).

Almost surely, 2^2125322644 is an apocalyptic number.

It is an amenable number.

2125322644 is a deficient number, since it is larger than the sum of its proper divisors (1686133004).

2125322644 is a wasteful number, since it uses less digits than its factorization.

2125322644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18375 (or 18373 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 2125322644 is about 46101.2217191692. The cubic root of 2125322644 is about 1285.7058593757.

Adding to 2125322644 its reverse (4462235212), we get a palindrome (6587557856).

The spelling of 2125322644 in words is "two billion, one hundred twenty-five million, three hundred twenty-two thousand, six hundred forty-four".