7552038749 has 2 divisors, whose sum is σ = 7552038750. Its totient is φ = 7552038748.

The previous prime is 7552038691. The next prime is 7552038757. The reversal of 7552038749 is 9478302557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4612447225 + 2939591524 = 67915^2 + 54218^2 .

It is an emirp because it is prime and its reverse (9478302557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7552038749 - 2¹² = 7552034653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7552038697 and 7552038706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7552038779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3776019374 + 3776019375.

It is an arithmetic number, because the mean of its divisors is an integer number (3776019375).

Almost surely, 2^7552038749 is an apocalyptic number.

It is an amenable number.

7552038749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7552038749 is an equidigital number, since it uses as much as digits as its factorization.

7552038749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The square root of 7552038749 is about 86902.4668752274. The cubic root of 7552038749 is about 1961.9506081606.

The spelling of 7552038749 in words is "seven billion, five hundred fifty-two million, thirty-eight thousand, seven hundred forty-nine".