774224238253 has 4 divisors (see below), whose sum is σ = 775499731840. Its totient is φ = 772948744668.

The previous prime is 774224238239. The next prime is 774224238289. The reversal of 774224238253 is 352832422477.

774224238253 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 774224238253 - 2²⁵ = 774190683821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 774224238197 and 774224238206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774224238653) 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, 637745883 + ... + 637747096.

It is an arithmetic number, because the mean of its divisors is an integer number (193874932960).

Almost surely, 2^774224238253 is an apocalyptic number.

It is an amenable number.

774224238253 is a deficient number, since it is larger than the sum of its proper divisors (1275493587).

774224238253 is a wasteful number, since it uses less digits than its factorization.

774224238253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275493586.

The product of its digits is 4515840, while the sum is 49.

The spelling of 774224238253 in words is "seven hundred seventy-four billion, two hundred twenty-four million, two hundred thirty-eight thousand, two hundred fifty-three".