1263465499 has 2 divisors, whose sum is σ = 1263465500. Its totient is φ = 1263465498.

The previous prime is 1263465493. The next prime is 1263465521. The reversal of 1263465499 is 9945643621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1263465499 - 2⁹ = 1263464987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1263465493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631732749 + 631732750.

It is an arithmetic number, because the mean of its divisors is an integer number (631732750).

Almost surely, 2^1263465499 is an apocalyptic number.

1263465499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263465499 is an equidigital number, since it uses as much as digits as its factorization.

1263465499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 49.

The square root of 1263465499 is about 35545.2598668233. The cubic root of 1263465499 is about 1081.0716098317.

The spelling of 1263465499 in words is "one billion, two hundred sixty-three million, four hundred sixty-five thousand, four hundred ninety-nine".