8524380749 has 2 divisors, whose sum is σ = 8524380750. Its totient is φ = 8524380748.

The previous prime is 8524380701. The next prime is 8524380757. The reversal of 8524380749 is 9470834258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7561519849 + 962860900 = 86957^2 + 31030^2 .

It is a cyclic number.

It is not a de Polignac number, because 8524380749 - 2³² = 4229413453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8524380697 and 8524380706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8524380049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4262190374 + 4262190375.

It is an arithmetic number, because the mean of its divisors is an integer number (4262190375).

Almost surely, 2^8524380749 is an apocalyptic number.

It is an amenable number.

8524380749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8524380749 is an equidigital number, since it uses as much as digits as its factorization.

8524380749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 8524380749 is about 92327.5730700206. The cubic root of 8524380749 is about 2042.7769394673.

The spelling of 8524380749 in words is "eight billion, five hundred twenty-four million, three hundred eighty thousand, seven hundred forty-nine".