6493404499 has 2 divisors, whose sum is σ = 6493404500. Its totient is φ = 6493404498.

The previous prime is 6493404497. The next prime is 6493404509. The reversal of 6493404499 is 9944043946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6493404499 - 2¹ = 6493404497 is a prime.

It is a super-3 number, since 3×6493404499³ (a number of 30 digits) contains 333 as substring.

Together with 6493404497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6493404493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246702249 + 3246702250.

It is an arithmetic number, because the mean of its divisors is an integer number (3246702250).

Almost surely, 2^6493404499 is an apocalyptic number.

6493404499 is a deficient number, since it is larger than the sum of its proper divisors (1).

6493404499 is an equidigital number, since it uses as much as digits as its factorization.

6493404499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The square root of 6493404499 is about 80581.6635407833. The cubic root of 6493404499 is about 1865.6241396328.

The spelling of 6493404499 in words is "six billion, four hundred ninety-three million, four hundred four thousand, four hundred ninety-nine".