28422689269 has 16 divisors (see below), whose sum is σ = 30694023360. Its totient is φ = 26163601920.

The previous prime is 28422689179. The next prime is 28422689287. The reversal of 28422689269 is 96298622482.

It is a cyclic number.

It is not a de Polignac number, because 28422689269 - 2²¹ = 28420592117 is a prime.

It is a super-2 number, since 2×28422689269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28422689069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14021034 + ... + 14023060.

It is an arithmetic number, because the mean of its divisors is an integer number (1918376460).

Almost surely, 2^28422689269 is an apocalyptic number.

It is an amenable number.

28422689269 is a deficient number, since it is larger than the sum of its proper divisors (2271334091).

28422689269 is a wasteful number, since it uses less digits than its factorization.

28422689269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500.

The product of its digits is 11943936, while the sum is 58.

The spelling of 28422689269 in words is "twenty-eight billion, four hundred twenty-two million, six hundred eighty-nine thousand, two hundred sixty-nine".