1336641497 has 2 divisors, whose sum is σ = 1336641498. Its totient is φ = 1336641496.

The previous prime is 1336641487. The next prime is 1336641511. The reversal of 1336641497 is 7941466331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831111241 + 505530256 = 28829^2 + 22484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336641497 - 2⁶ = 1336641433 is a prime.

It is a super-2 number, since 2×1336641497² = 3573220983004802018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1336641437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668320748 + 668320749.

It is an arithmetic number, because the mean of its divisors is an integer number (668320749).

Almost surely, 2^1336641497 is an apocalyptic number.

It is an amenable number.

1336641497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336641497 is an equidigital number, since it uses as much as digits as its factorization.

1336641497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 1336641497 is about 36560.1080003875. The cubic root of 1336641497 is about 1101.5519408113.

The spelling of 1336641497 in words is "one billion, three hundred thirty-six million, six hundred forty-one thousand, four hundred ninety-seven".