1431049663 has 2 divisors, whose sum is σ = 1431049664. Its totient is φ = 1431049662.

The previous prime is 1431049597. The next prime is 1431049723. The reversal of 1431049663 is 3669401341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431049663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431049463) 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, 715524831 + 715524832.

It is an arithmetic number, because the mean of its divisors is an integer number (715524832).

Almost surely, 2^1431049663 is an apocalyptic number.

1431049663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431049663 is an equidigital number, since it uses as much as digits as its factorization.

1431049663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1431049663 is about 37829.2170550753. The cubic root of 1431049663 is about 1126.8987623433.

The spelling of 1431049663 in words is "one billion, four hundred thirty-one million, forty-nine thousand, six hundred sixty-three".