2749425493 has 2 divisors, whose sum is σ = 2749425494. Its totient is φ = 2749425492.

The previous prime is 2749425473. The next prime is 2749425551. The reversal of 2749425493 is 3945249472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2718266769 + 31158724 = 52137^2 + 5582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2749425493 - 2⁹ = 2749424981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374712746 + 1374712747.

It is an arithmetic number, because the mean of its divisors is an integer number (1374712747).

Almost surely, 2^2749425493 is an apocalyptic number.

It is an amenable number.

2749425493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749425493 is an equidigital number, since it uses as much as digits as its factorization.

2749425493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The square root of 2749425493 is about 52434.9644130708. The cubic root of 2749425493 is about 1400.9220954293.

The spelling of 2749425493 in words is "two billion, seven hundred forty-nine million, four hundred twenty-five thousand, four hundred ninety-three".