1273432463 has 2 divisors, whose sum is σ = 1273432464. Its totient is φ = 1273432462.

The previous prime is 1273432439. The next prime is 1273432483. The reversal of 1273432463 is 3642343721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1273432463 - 2¹⁸ = 1273170319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1273432423) 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, 636716231 + 636716232.

It is an arithmetic number, because the mean of its divisors is an integer number (636716232).

Almost surely, 2^1273432463 is an apocalyptic number.

1273432463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273432463 is an equidigital number, since it uses as much as digits as its factorization.

1273432463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 35.

The square root of 1273432463 is about 35685.1854836149. The cubic root of 1273432463 is about 1083.9068784241.

The spelling of 1273432463 in words is "one billion, two hundred seventy-three million, four hundred thirty-two thousand, four hundred sixty-three".