28213499126 has 8 divisors (see below), whose sum is σ = 42520819224. Its totient is φ = 14039892720.

The previous prime is 28213499113. The next prime is 28213499131. The reversal of 28213499126 is 62199431282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33427895 + ... + 33428738.

It is an arithmetic number, because the mean of its divisors is an integer number (5315102403).

Almost surely, 2^28213499126 is an apocalyptic number.

28213499126 is a deficient number, since it is larger than the sum of its proper divisors (14307320098).

28213499126 is a wasteful number, since it uses less digits than its factorization.

28213499126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66856846.

The product of its digits is 373248, while the sum is 47.

The spelling of 28213499126 in words is "twenty-eight billion, two hundred thirteen million, four hundred ninety-nine thousand, one hundred twenty-six".