2153924737 has 4 divisors (see below), whose sum is σ = 2157285636. Its totient is φ = 2150563840.

The previous prime is 2153924719. The next prime is 2153924749. The reversal of 2153924737 is 7374293512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1484098576 + 669826161 = 38524^2 + 25881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153924737 - 2¹¹ = 2153922689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153924693 and 2153924702.

It is not an unprimeable number, because it can be changed into a prime (2153924767) 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, 1679488 + ... + 1680769.

It is an arithmetic number, because the mean of its divisors is an integer number (539321409).

Almost surely, 2^2153924737 is an apocalyptic number.

It is an amenable number.

2153924737 is a deficient number, since it is larger than the sum of its proper divisors (3360899).

2153924737 is an equidigital number, since it uses as much as digits as its factorization.

2153924737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360898.

The product of its digits is 317520, while the sum is 43.

The square root of 2153924737 is about 46410.3947085133. The cubic root of 2153924737 is about 1291.4477540367.

The spelling of 2153924737 in words is "two billion, one hundred fifty-three million, nine hundred twenty-four thousand, seven hundred thirty-seven".