6480436049 has 2 divisors, whose sum is σ = 6480436050. Its totient is φ = 6480436048.

The previous prime is 6480436007. The next prime is 6480436051. The reversal of 6480436049 is 9406340846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4082571025 + 2397865024 = 63895^2 + 48968^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480436049 - 2²⁴ = 6463658833 is a prime.

Together with 6480436051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6480436349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240218024 + 3240218025.

It is an arithmetic number, because the mean of its divisors is an integer number (3240218025).

Almost surely, 2^6480436049 is an apocalyptic number.

It is an amenable number.

6480436049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480436049 is an equidigital number, since it uses as much as digits as its factorization.

6480436049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 6480436049 is about 80501.1555755568. The cubic root of 6480436049 is about 1864.3813207093.

The spelling of 6480436049 in words is "six billion, four hundred eighty million, four hundred thirty-six thousand, forty-nine".