2179250453 has 4 divisors (see below), whose sum is σ = 2188293228. Its totient is φ = 2170207680.

The previous prime is 2179250399. The next prime is 2179250461. The reversal of 2179250453 is 3540529712.

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 2026530289 + 152720164 = 45017^2 + 12358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2179250453 - 2⁶ = 2179250389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179250473) 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, 4521026 + ... + 4521507.

It is an arithmetic number, because the mean of its divisors is an integer number (547073307).

Almost surely, 2^2179250453 is an apocalyptic number.

It is an amenable number.

2179250453 is a deficient number, since it is larger than the sum of its proper divisors (9042775).

2179250453 is an equidigital number, since it uses as much as digits as its factorization.

2179250453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042774.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2179250453 is about 46682.4426631683. The cubic root of 2179250453 is about 1296.4896327043.

The spelling of 2179250453 in words is "two billion, one hundred seventy-nine million, two hundred fifty thousand, four hundred fifty-three".