6460671209 has 2 divisors, whose sum is σ = 6460671210. Its totient is φ = 6460671208.

The previous prime is 6460671193. The next prime is 6460671233. The reversal of 6460671209 is 9021760646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6448090000 + 12581209 = 80300^2 + 3547^2 .

It is a cyclic number.

It is not a de Polignac number, because 6460671209 - 2⁴ = 6460671193 is a prime.

It is not a weakly prime, because it can be changed into another prime (6460671509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230335604 + 3230335605.

It is an arithmetic number, because the mean of its divisors is an integer number (3230335605).

Almost surely, 2^6460671209 is an apocalyptic number.

It is an amenable number.

6460671209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6460671209 is an equidigital number, since it uses as much as digits as its factorization.

6460671209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6460671209 is about 80378.3006103015. The cubic root of 6460671209 is about 1862.4839831303.

The spelling of 6460671209 in words is "six billion, four hundred sixty million, six hundred seventy-one thousand, two hundred nine".