6490907799 has 4 divisors (see below), whose sum is σ = 8654543736. Its totient is φ = 4327271864.

The previous prime is 6490907791. The next prime is 6490907831. The reversal of 6490907799 is 9977090946.

6490907799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6490907799 - 2³ = 6490907791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490907791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081817964 + ... + 1081817969.

It is an arithmetic number, because the mean of its divisors is an integer number (2163635934).

Almost surely, 2^6490907799 is an apocalyptic number.

6490907799 is a deficient number, since it is larger than the sum of its proper divisors (2163635937).

6490907799 is a wasteful number, since it uses less digits than its factorization.

6490907799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163635936.

The product of its (nonzero) digits is 7715736, while the sum is 60.

The square root of 6490907799 is about 80566.1703136000. The cubic root of 6490907799 is about 1865.3849994970.

The spelling of 6490907799 in words is "six billion, four hundred ninety million, nine hundred seven thousand, seven hundred ninety-nine".