1563713472 has 28 divisors (see below), whose sum is σ = 4137325736. Its totient is φ = 521237760.

The previous prime is 1563713441. The next prime is 1563713491. The reversal of 1563713472 is 2743173651.

It is a self number, because there is not a number n which added to its sum of digits gives 1563713472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4071979 + ... + 4072362.

Almost surely, 2^1563713472 is an apocalyptic number.

1563713472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1563713472 is an abundant number, since it is smaller than the sum of its proper divisors (2573612264).

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

1563713472 is an equidigital number, since it uses as much as digits as its factorization.

1563713472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144356 (or 8144346 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 1563713472 is about 39543.8171146894. The cubic root of 1563713472 is about 1160.6975273697.

The spelling of 1563713472 in words is "one billion, five hundred sixty-three million, seven hundred thirteen thousand, four hundred seventy-two".