8480342749 has 2 divisors, whose sum is σ = 8480342750. Its totient is φ = 8480342748.

The previous prime is 8480342743. The next prime is 8480342791. The reversal of 8480342749 is 9472430848.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7888637124 + 591705625 = 88818^2 + 24325^2 .

It is a cyclic number.

It is not a de Polignac number, because 8480342749 - 2¹³ = 8480334557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8480342743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240171374 + 4240171375.

It is an arithmetic number, because the mean of its divisors is an integer number (4240171375).

Almost surely, 2^8480342749 is an apocalyptic number.

It is an amenable number.

8480342749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480342749 is an equidigital number, since it uses as much as digits as its factorization.

8480342749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The square root of 8480342749 is about 92088.7764551142. The cubic root of 8480342749 is about 2039.2531186311.

The spelling of 8480342749 in words is "eight billion, four hundred eighty million, three hundred forty-two thousand, seven hundred forty-nine".