2748393921101 has 8 divisors (see below), whose sum is σ = 2938876669944. Its totient is φ = 2561112563200.

The previous prime is 2748393921059. The next prime is 2748393921109. The reversal of 2748393921101 is 1011293938472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 853988533225 + 1894405387876 = 924115^2 + 1376374^2 .

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-2748393921101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2748393921101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748393921109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800345960 + ... + 800349393.

It is an arithmetic number, because the mean of its divisors is an integer number (367359583743).

Almost surely, 2^{2748393921101} is an apocalyptic number.

It is an amenable number.

2748393921101 is a deficient number, since it is larger than the sum of its proper divisors (190482748843).

2748393921101 is a wasteful number, since it uses less digits than its factorization.

2748393921101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600695471.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 2748393921101 in words is "two trillion, seven hundred forty-eight billion, three hundred ninety-three million, nine hundred twenty-one thousand, one hundred one".