28292122709039 has 4 divisors (see below), whose sum is σ = 32333854524624. Its totient is φ = 24250390893456.

The previous prime is 28292122709017. The next prime is 28292122709041. The reversal of 28292122709039 is 93090722129282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28292122709039 - 2¹² = 28292122704943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28292122709099) 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, 2020865907782 + ... + 2020865907795.

It is an arithmetic number, because the mean of its divisors is an integer number (8083463631156).

Almost surely, 2^{28292122709039} is an apocalyptic number.

28292122709039 is a deficient number, since it is larger than the sum of its proper divisors (4041731815585).

28292122709039 is an equidigital number, since it uses as much as digits as its factorization.

28292122709039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041731815584.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 28292122709039 in words is "twenty-eight trillion, two hundred ninety-two billion, one hundred twenty-two million, seven hundred nine thousand, thirty-nine".