1534445663 has 2 divisors, whose sum is σ = 1534445664. Its totient is φ = 1534445662.

The previous prime is 1534445659. The next prime is 1534445711. The reversal of 1534445663 is 3665444351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1534445663 - 2² = 1534445659 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1534445663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534445963) 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, 767222831 + 767222832.

It is an arithmetic number, because the mean of its divisors is an integer number (767222832).

Almost surely, 2^1534445663 is an apocalyptic number.

1534445663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534445663 is an equidigital number, since it uses as much as digits as its factorization.

1534445663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

The square root of 1534445663 is about 39172.0010083733. The cubic root of 1534445663 is about 1153.4103335960.

The spelling of 1534445663 in words is "one billion, five hundred thirty-four million, four hundred forty-five thousand, six hundred sixty-three".