25223013269 has 2 divisors, whose sum is σ = 25223013270. Its totient is φ = 25223013268.

The previous prime is 25223013199. The next prime is 25223013287. The reversal of 25223013269 is 96231032252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22941040369 + 2281972900 = 151463^2 + 47770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25223013269 is a prime.

It is a super-2 number, since 2×25223013269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25223013289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611506634 + 12611506635.

It is an arithmetic number, because the mean of its divisors is an integer number (12611506635).

Almost surely, 2^25223013269 is an apocalyptic number.

It is an amenable number.

25223013269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223013269 is an equidigital number, since it uses as much as digits as its factorization.

25223013269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 25223013269 in words is "twenty-five billion, two hundred twenty-three million, thirteen thousand, two hundred sixty-nine".