6650496397 has 2 divisors, whose sum is σ = 6650496398. Its totient is φ = 6650496396.

The previous prime is 6650496361. The next prime is 6650496403. The reversal of 6650496397 is 7936940566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6648608521 + 1887876 = 81539^2 + 1374^2 .

It is a cyclic number.

It is not a de Polignac number, because 6650496397 - 2¹⁵ = 6650463629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6650496497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325248198 + 3325248199.

It is an arithmetic number, because the mean of its divisors is an integer number (3325248199).

Almost surely, 2^6650496397 is an apocalyptic number.

It is an amenable number.

6650496397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650496397 is an equidigital number, since it uses as much as digits as its factorization.

6650496397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The square root of 6650496397 is about 81550.5756999912. The cubic root of 6650496397 is about 1880.5491451669.

The spelling of 6650496397 in words is "six billion, six hundred fifty million, four hundred ninety-six thousand, three hundred ninety-seven".