7254126749 has 2 divisors, whose sum is σ = 7254126750. Its totient is φ = 7254126748.

The previous prime is 7254126743. The next prime is 7254126767. The reversal of 7254126749 is 9476214527.

7254126749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7048777849 + 205348900 = 83957^2 + 14330^2 .

It is a cyclic number.

It is not a de Polignac number, because 7254126749 - 2⁸ = 7254126493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7254126743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3627063374 + 3627063375.

It is an arithmetic number, because the mean of its divisors is an integer number (3627063375).

Almost surely, 2^7254126749 is an apocalyptic number.

It is an amenable number.

7254126749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7254126749 is an equidigital number, since it uses as much as digits as its factorization.

7254126749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 7254126749 is about 85171.1614867380. The cubic root of 7254126749 is about 1935.8054721852.

The spelling of 7254126749 in words is "seven billion, two hundred fifty-four million, one hundred twenty-six thousand, seven hundred forty-nine".