2447172653 has 4 divisors (see below), whose sum is σ = 2553571488. Its totient is φ = 2340773820.

The previous prime is 2447172631. The next prime is 2447172713. The reversal of 2447172653 is 3562717442.

2447172653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2447172653 - 2¹⁸ = 2446910509 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 2447172653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447171653) 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, 53199383 + ... + 53199428.

It is an arithmetic number, because the mean of its divisors is an integer number (638392872).

Almost surely, 2^2447172653 is an apocalyptic number.

2447172653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2447172653 is a deficient number, since it is larger than the sum of its proper divisors (106398835).

2447172653 is a wasteful number, since it uses less digits than its factorization.

2447172653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106398834.

The product of its digits is 282240, while the sum is 41.

The square root of 2447172653 is about 49468.9059207903. The cubic root of 2447172653 is about 1347.5809726195.

The spelling of 2447172653 in words is "two billion, four hundred forty-seven million, one hundred seventy-two thousand, six hundred fifty-three".