1563966097 has 4 divisors (see below), whose sum is σ = 1567151856. Its totient is φ = 1560780340.

The previous prime is 1563966083. The next prime is 1563966127. The reversal of 1563966097 is 7906693651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1563966097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1563976097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592143 + ... + 1593124.

It is an arithmetic number, because the mean of its divisors is an integer number (391787964).

Almost surely, 2^1563966097 is an apocalyptic number.

It is an amenable number.

1563966097 is a deficient number, since it is larger than the sum of its proper divisors (3185759).

1563966097 is an equidigital number, since it uses as much as digits as its factorization.

1563966097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185758.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 1563966097 is about 39547.0112271459. The cubic root of 1563966097 is about 1160.7600293197.

The spelling of 1563966097 in words is "one billion, five hundred sixty-three million, nine hundred sixty-six thousand, ninety-seven".