28114732451 has 8 divisors (see below), whose sum is σ = 30790581360. Its totient is φ = 25512194592.

The previous prime is 28114732411. The next prime is 28114732487. The reversal of 28114732451 is 15423741182.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28114732451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28114732411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18326960 + ... + 18328493.

It is an arithmetic number, because the mean of its divisors is an integer number (3848822670).

Almost surely, 2^28114732451 is an apocalyptic number.

28114732451 is a deficient number, since it is larger than the sum of its proper divisors (2675848909).

28114732451 is a wasteful number, since it uses less digits than its factorization.

28114732451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36655525.

The product of its digits is 53760, while the sum is 38.

The spelling of 28114732451 in words is "twenty-eight billion, one hundred fourteen million, seven hundred thirty-two thousand, four hundred fifty-one".