2748388133 has 4 divisors (see below), whose sum is σ = 2893040160. Its totient is φ = 2603736108.

The previous prime is 2748388073. The next prime is 2748388163. The reversal of 2748388133 is 3318838472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2748388133 - 2²⁸ = 2479952677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748388163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72325985 + ... + 72326022.

It is an arithmetic number, because the mean of its divisors is an integer number (723260040).

Almost surely, 2^2748388133 is an apocalyptic number.

It is an amenable number.

2748388133 is a deficient number, since it is larger than the sum of its proper divisors (144652027).

2748388133 is a wasteful number, since it uses less digits than its factorization.

2748388133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144652026.

The product of its digits is 774144, while the sum is 47.

The square root of 2748388133 is about 52425.0716070088. The cubic root of 2748388133 is about 1400.7458836644.

The spelling of 2748388133 in words is "two billion, seven hundred forty-eight million, three hundred eighty-eight thousand, one hundred thirty-three".