8402810749 has 2 divisors, whose sum is σ = 8402810750. Its totient is φ = 8402810748.

The previous prime is 8402810707. The next prime is 8402810753. The reversal of 8402810749 is 9470182048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7358551524 + 1044259225 = 85782^2 + 32315^2 .

It is a cyclic number.

It is not a de Polignac number, because 8402810749 - 2²¹ = 8400713597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8402510749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201405374 + 4201405375.

It is an arithmetic number, because the mean of its divisors is an integer number (4201405375).

Almost surely, 2^8402810749 is an apocalyptic number.

It is an amenable number.

8402810749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8402810749 is an equidigital number, since it uses as much as digits as its factorization.

8402810749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 8402810749 is about 91666.8465095206. The cubic root of 8402810749 is about 2033.0194212851.

The spelling of 8402810749 in words is "eight billion, four hundred two million, eight hundred ten thousand, seven hundred forty-nine".