6490907798 has 16 divisors (see below), whose sum is σ = 9771674640. Its totient is φ = 3233696256.

The previous prime is 6490907791. The next prime is 6490907831. The reversal of 6490907798 is 8977090946.

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 7 ways as a sum of consecutive naturals, for example, 1709390 + ... + 1713182.

It is an arithmetic number, because the mean of its divisors is an integer number (610729665).

Almost surely, 2^6490907798 is an apocalyptic number.

6490907798 is a deficient number, since it is larger than the sum of its proper divisors (3280766842).

6490907798 is a wasteful number, since it uses less digits than its factorization.

6490907798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 6490907798 is about 80566.1703073939. The cubic root of 6490907798 is about 1865.3849994012.

The spelling of 6490907798 in words is "six billion, four hundred ninety million, nine hundred seven thousand, seven hundred ninety-eight".