28453738833 has 32 divisors (see below), whose sum is σ = 46860692480. Its totient is φ = 16945148160.

The previous prime is 28453738829. The next prime is 28453738877. The reversal of 28453738833 is 33883735482.

28453738833 is a `hidden beast` number, since 28 + 4 + 537 + 3 + 8 + 83 + 3 = 666.

It is not a de Polignac number, because 28453738833 - 2² = 28453738829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28453738833.

It is not an unprimeable number, because it can be changed into a prime (28453738813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1296616 + ... + 1318377.

It is an arithmetic number, because the mean of its divisors is an integer number (1464396640).

Almost surely, 2^28453738833 is an apocalyptic number.

It is an amenable number.

28453738833 is a deficient number, since it is larger than the sum of its proper divisors (18406953647).

28453738833 is a wasteful number, since it uses less digits than its factorization.

28453738833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615046 (or 2615040 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 28453738833 in words is "twenty-eight billion, four hundred fifty-three million, seven hundred thirty-eight thousand, eight hundred thirty-three".