28214653745 has 16 divisors (see below), whose sum is σ = 34370448768. Its totient is φ = 22229961600.

The previous prime is 28214653741. The next prime is 28214653757. The reversal of 28214653745 is 54735641282.

It is not a de Polignac number, because 28214653745 - 2² = 28214653741 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 28214653745.

It is not an unprimeable number, because it can be changed into a prime (28214653741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2774420 + ... + 2784570.

It is an arithmetic number, because the mean of its divisors is an integer number (2148153048).

Almost surely, 2^28214653745 is an apocalyptic number.

It is an amenable number.

28214653745 is a deficient number, since it is larger than the sum of its proper divisors (6155795023).

28214653745 is a wasteful number, since it uses less digits than its factorization.

28214653745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520.

The product of its digits is 1612800, while the sum is 47.

The spelling of 28214653745 in words is "twenty-eight billion, two hundred fourteen million, six hundred fifty-three thousand, seven hundred forty-five".