8480663309 has 2 divisors, whose sum is σ = 8480663310. Its totient is φ = 8480663308.

The previous prime is 8480663251. The next prime is 8480663369. The reversal of 8480663309 is 9033660848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8198759209 + 281904100 = 90547^2 + 16790^2 .

It is a cyclic number.

It is not a de Polignac number, because 8480663309 - 2³² = 4185696013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8480663369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240331654 + 4240331655.

It is an arithmetic number, because the mean of its divisors is an integer number (4240331655).

Almost surely, 2^8480663309 is an apocalyptic number.

It is an amenable number.

8480663309 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480663309 is an equidigital number, since it uses as much as digits as its factorization.

8480663309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 8480663309 is about 92090.5169330697. The cubic root of 8480663309 is about 2039.2788131407.

The spelling of 8480663309 in words is "eight billion, four hundred eighty million, six hundred sixty-three thousand, three hundred nine".