6494771099 has 2 divisors, whose sum is σ = 6494771100. Its totient is φ = 6494771098.

The previous prime is 6494771089. The next prime is 6494771113. The reversal of 6494771099 is 9901774946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6494771099 - 2²⁴ = 6477993883 is a prime.

It is not a weakly prime, because it can be changed into another prime (6494771089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247385549 + 3247385550.

It is an arithmetic number, because the mean of its divisors is an integer number (3247385550).

Almost surely, 2^6494771099 is an apocalyptic number.

6494771099 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494771099 is an equidigital number, since it uses as much as digits as its factorization.

6494771099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 6494771099 is about 80590.1426912746. The cubic root of 6494771099 is about 1865.7550100214.

The spelling of 6494771099 in words is "six billion, four hundred ninety-four million, seven hundred seventy-one thousand, ninety-nine".