28453029502 has 4 divisors (see below), whose sum is σ = 42679544256. Its totient is φ = 14226514750.

The previous prime is 28453029461. The next prime is 28453029533. The reversal of 28453029502 is 20592035482.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7113257374 + ... + 7113257377.

It is an arithmetic number, because the mean of its divisors is an integer number (10669886064).

Almost surely, 2^28453029502 is an apocalyptic number.

28453029502 is a deficient number, since it is larger than the sum of its proper divisors (14226514754).

28453029502 is a wasteful number, since it uses less digits than its factorization.

28453029502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14226514753.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 28453029502 in words is "twenty-eight billion, four hundred fifty-three million, twenty-nine thousand, five hundred two".