2123550724 has 9 divisors (see below), whose sum is σ = 3716375061. Its totient is φ = 1061729280.

The previous prime is 2123550719. The next prime is 2123550763. The reversal of 2123550724 is 4270553212.

The square root of 2123550724 is 46082.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 419512324 + 1704038400 = 20482^2 + 41280^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80644 + ... + 103684.

Almost surely, 2^2123550724 is an apocalyptic number.

2123550724 is the 46082-nd square number.

It is an amenable number.

2123550724 is a deficient number, since it is larger than the sum of its proper divisors (1592824337).

2123550724 is an frugal number, since it uses more digits than its factorization.

2123550724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46086 (or 23043 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The cubic root of 2123550724 is about 1285.3484546082.

The spelling of 2123550724 in words is "two billion, one hundred twenty-three million, five hundred fifty thousand, seven hundred twenty-four".