7511264749 has 2 divisors, whose sum is σ = 7511264750. Its totient is φ = 7511264748.

The previous prime is 7511264713. The next prime is 7511264773. The reversal of 7511264749 is 9474621157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7175275849 + 335988900 = 84707^2 + 18330^2 .

It is an emirp because it is prime and its reverse (9474621157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7511264749 - 2²⁷ = 7377047021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7511264699 and 7511264708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7511264149) 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 as a sum of consecutive naturals, namely, 3755632374 + 3755632375.

It is an arithmetic number, because the mean of its divisors is an integer number (3755632375).

Almost surely, 2^7511264749 is an apocalyptic number.

It is an amenable number.

7511264749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7511264749 is an equidigital number, since it uses as much as digits as its factorization.

7511264749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 7511264749 is about 86667.5530345700. The cubic root of 7511264749 is about 1958.4133303809.

The spelling of 7511264749 in words is "seven billion, five hundred eleven million, two hundred sixty-four thousand, seven hundred forty-nine".