6490696369 has 2 divisors, whose sum is σ = 6490696370. Its totient is φ = 6490696368.

The previous prime is 6490696367. The next prime is 6490696403. The reversal of 6490696369 is 9636960946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4200595344 + 2290101025 = 64812^2 + 47855^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490696369 - 2¹ = 6490696367 is a prime.

It is a super-2 number, since 2×6490696369² = 84258278709099568322, which contains 22 as substring.

Together with 6490696367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6490696367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245348184 + 3245348185.

It is an arithmetic number, because the mean of its divisors is an integer number (3245348185).

Almost surely, 2^6490696369 is an apocalyptic number.

It is an amenable number.

6490696369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490696369 is an equidigital number, since it uses as much as digits as its factorization.

6490696369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 58.

The square root of 6490696369 is about 80564.8581516780. The cubic root of 6490696369 is about 1865.3647453895.

The spelling of 6490696369 in words is "six billion, four hundred ninety million, six hundred ninety-six thousand, three hundred sixty-nine".