2172537383 has 4 divisors (see below), whose sum is σ = 2179614360. Its totient is φ = 2165460408.

The previous prime is 2172537347. The next prime is 2172537391. The reversal of 2172537383 is 3837352712.

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 2172537383 - 2⁸ = 2172537127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2172537383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172537883) 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, 3538028 + ... + 3538641.

It is an arithmetic number, because the mean of its divisors is an integer number (544903590).

Almost surely, 2^2172537383 is an apocalyptic number.

2172537383 is a deficient number, since it is larger than the sum of its proper divisors (7076977).

2172537383 is an equidigital number, since it uses as much as digits as its factorization.

2172537383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076976.

The product of its digits is 211680, while the sum is 41.

The square root of 2172537383 is about 46610.4857623261. The cubic root of 2172537383 is about 1295.1570066490.

The spelling of 2172537383 in words is "two billion, one hundred seventy-two million, five hundred thirty-seven thousand, three hundred eighty-three".