1563349450 has 96 divisors (see below), whose sum is σ = 3331036800. Its totient is φ = 541105920.

The previous prime is 1563349439. The next prime is 1563349451. The reversal of 1563349450 is 549433651.

It is not an unprimeable number, because it can be changed into a prime (1563349451) 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 in 47 ways as a sum of consecutive naturals, for example, 1271436 + ... + 1272664.

It is an arithmetic number, because the mean of its divisors is an integer number (34698300).

Almost surely, 2^1563349450 is an apocalyptic number.

1563349450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1563349450 is an abundant number, since it is smaller than the sum of its proper divisors (1767687350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1563349450 is a wasteful number, since it uses less digits than its factorization.

1563349450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1563349450 is about 39539.2140791898. The cubic root of 1563349450 is about 1160.6074528487.

The spelling of 1563349450 in words is "one billion, five hundred sixty-three million, three hundred forty-nine thousand, four hundred fifty".