2749393939473 has 48 divisors (see below), whose sum is σ = 4027303777536. Its totient is φ = 1807261747200.

The previous prime is 2749393939469. The next prime is 2749393939483. The reversal of 2749393939473 is 3749393939472.

2749393939473 is a `hidden beast` number, since 2 + 7 + 4 + 93 + 9 + 39 + 39 + 473 = 666.

It is not a de Polignac number, because 2749393939473 - 2² = 2749393939469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2749393939483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 806982136 + ... + 806985542.

It is an arithmetic number, because the mean of its divisors is an integer number (83902162032).

Almost surely, 2^{2749393939473} is an apocalyptic number.

It is an amenable number.

2749393939473 is a deficient number, since it is larger than the sum of its proper divisors (1277909838063).

2749393939473 is a wasteful number, since it uses less digits than its factorization.

2749393939473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934 (or 6931 counting only the distinct ones).

The product of its digits is 833299488, while the sum is 72.

Subtracting 2749393939473 from its reverse (3749393939472), we obtain a palindrome (999999999999).

The spelling of 2749393939473 in words is "two trillion, seven hundred forty-nine billion, three hundred ninety-three million, nine hundred thirty-nine thousand, four hundred seventy-three".