28572654269 has 2 divisors, whose sum is σ = 28572654270. Its totient is φ = 28572654268.

The previous prime is 28572654259. The next prime is 28572654277. The reversal of 28572654269 is 96245627582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26892720100 + 1679934169 = 163990^2 + 40987^2 .

It is a cyclic number.

It is not a de Polignac number, because 28572654269 - 2⁸ = 28572654013 is a prime.

It is a super-2 number, since 2×28572654269² (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 (28572654259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286327134 + 14286327135.

It is an arithmetic number, because the mean of its divisors is an integer number (14286327135).

Almost surely, 2^28572654269 is an apocalyptic number.

It is an amenable number.

28572654269 is a deficient number, since it is larger than the sum of its proper divisors (1).

28572654269 is an equidigital number, since it uses as much as digits as its factorization.

28572654269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The spelling of 28572654269 in words is "twenty-eight billion, five hundred seventy-two million, six hundred fifty-four thousand, two hundred sixty-nine".