1351267663 has 2 divisors, whose sum is σ = 1351267664. Its totient is φ = 1351267662.

The previous prime is 1351267633. The next prime is 1351267679. The reversal of 1351267663 is 3667621531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351267663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351267633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675633831 + 675633832.

It is an arithmetic number, because the mean of its divisors is an integer number (675633832).

Almost surely, 2^1351267663 is an apocalyptic number.

1351267663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351267663 is an equidigital number, since it uses as much as digits as its factorization.

1351267663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 1351267663 is about 36759.5928024237. The cubic root of 1351267663 is about 1105.5552754754. Note that the first 3 decimals are identical.

The spelling of 1351267663 in words is "one billion, three hundred fifty-one million, two hundred sixty-seven thousand, six hundred sixty-three".