2749628946949 has 2 divisors, whose sum is σ = 2749628946950. Its totient is φ = 2749628946948.

The previous prime is 2749628946929. The next prime is 2749628946979. The reversal of 2749628946949 is 9496498269472.

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., 2095131766849 + 654497180100 = 1447457^2 + 809010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2749628946949 - 2⁷ = 2749628946821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749628946929) 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 as a sum of consecutive naturals, namely, 1374814473474 + 1374814473475.

It is an arithmetic number, because the mean of its divisors is an integer number (1374814473475).

Almost surely, 2^{2749628946949} is an apocalyptic number.

It is an amenable number.

2749628946949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749628946949 is an equidigital number, since it uses as much as digits as its factorization.

2749628946949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386105856, while the sum is 79.

The spelling of 2749628946949 in words is "two trillion, seven hundred forty-nine billion, six hundred twenty-eight million, nine hundred forty-six thousand, nine hundred forty-nine".