28070952433 has 4 divisors (see below), whose sum is σ = 29038916340. Its totient is φ = 27102988528.

The previous prime is 28070952401. The next prime is 28070952451. The reversal of 28070952433 is 33425907082.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18370278369 + 9700674064 = 135537^2 + 98492^2 .

It is a cyclic number.

It is not a de Polignac number, because 28070952433 - 2⁵ = 28070952401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28070952433.

It is not an unprimeable number, because it can be changed into a prime (28070953433) 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, 483981910 + ... + 483981967.

It is an arithmetic number, because the mean of its divisors is an integer number (7259729085).

Almost surely, 2^28070952433 is an apocalyptic number.

It is an amenable number.

28070952433 is a deficient number, since it is larger than the sum of its proper divisors (967963907).

28070952433 is an equidigital number, since it uses as much as digits as its factorization.

28070952433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967963906.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 28070952433 in words is "twenty-eight billion, seventy million, nine hundred fifty-two thousand, four hundred thirty-three".