6494885633 has 2 divisors, whose sum is σ = 6494885634. Its totient is φ = 6494885632.

The previous prime is 6494885623. The next prime is 6494885647. The reversal of 6494885633 is 3365884946.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441186049 + 53699584 = 80257^2 + 7328^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494885633 - 2²⁶ = 6427776769 is a prime.

It is not a weakly prime, because it can be changed into another prime (6494885623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247442816 + 3247442817.

It is an arithmetic number, because the mean of its divisors is an integer number (3247442817).

Almost surely, 2^6494885633 is an apocalyptic number.

It is an amenable number.

6494885633 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494885633 is an equidigital number, since it uses as much as digits as its factorization.

6494885633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 56.

The square root of 6494885633 is about 80590.8532837319. The cubic root of 6494885633 is about 1865.7659773634.

The spelling of 6494885633 in words is "six billion, four hundred ninety-four million, eight hundred eighty-five thousand, six hundred thirty-three".