1563163449 has 8 divisors (see below), whose sum is σ = 2084466240. Its totient is φ = 1041984816.

The previous prime is 1563163411. The next prime is 1563163489. The reversal of 1563163449 is 9443613651.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1563163449 - 2¹³ = 1563155257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1563163449.

It is not an unprimeable number, because it can be changed into a prime (1563163409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987 + ... + 56055.

It is an arithmetic number, because the mean of its divisors is an integer number (260558280).

Almost surely, 2^1563163449 is an apocalyptic number.

It is an amenable number.

1563163449 is a deficient number, since it is larger than the sum of its proper divisors (521302791).

1563163449 is a wasteful number, since it uses less digits than its factorization.

1563163449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62079.

The product of its digits is 233280, while the sum is 42.

The square root of 1563163449 is about 39536.8619012688. The cubic root of 1563163449 is about 1160.5614228949.

The spelling of 1563163449 in words is "one billion, five hundred sixty-three million, one hundred sixty-three thousand, four hundred forty-nine".