2164252453 has 4 divisors (see below), whose sum is σ = 2361002688. Its totient is φ = 1967502220.

The previous prime is 2164252429. The next prime is 2164252463. The reversal of 2164252453 is 3542524612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2164252453 - 2⁹ = 2164251941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164252463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 98375101 + ... + 98375122.

It is an arithmetic number, because the mean of its divisors is an integer number (590250672).

Almost surely, 2^2164252453 is an apocalyptic number.

It is an amenable number.

2164252453 is a deficient number, since it is larger than the sum of its proper divisors (196750235).

2164252453 is a wasteful number, since it uses less digits than its factorization.

2164252453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196750234.

The product of its digits is 57600, while the sum is 34.

The square root of 2164252453 is about 46521.5267698729. The cubic root of 2164252453 is about 1293.5085572204.

The spelling of 2164252453 in words is "two billion, one hundred sixty-four million, two hundred fifty-two thousand, four hundred fifty-three".