6490931339 has 2 divisors, whose sum is σ = 6490931340. Its totient is φ = 6490931338.

The previous prime is 6490931333. The next prime is 6490931383. The reversal of 6490931339 is 9331390946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6490931339 - 2¹² = 6490927243 is a prime.

It is a super-2 number, since 2×6490931339² = 84264379295224665842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6490931293 and 6490931302.

It is not a weakly prime, because it can be changed into another prime (6490931333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245465669 + 3245465670.

It is an arithmetic number, because the mean of its divisors is an integer number (3245465670).

Almost surely, 2^6490931339 is an apocalyptic number.

6490931339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490931339 is an equidigital number, since it uses as much as digits as its factorization.

6490931339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 47.

The square root of 6490931339 is about 80566.3164045620. The cubic root of 6490931339 is about 1865.3872545031.

The spelling of 6490931339 in words is "six billion, four hundred ninety million, nine hundred thirty-one thousand, three hundred thirty-nine".