1563322434 has 8 divisors (see below), whose sum is σ = 3126644880. Its totient is φ = 521107476.

The previous prime is 1563322427. The next prime is 1563322463. The reversal of 1563322434 is 4342233651.

It is a happy number.

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

1563322434 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1563322395 and 1563322404.

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, 130276864 + ... + 130276875.

It is an arithmetic number, because the mean of its divisors is an integer number (390830610).

Almost surely, 2^1563322434 is an apocalyptic number.

1563322434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1563322434 is a wasteful number, since it uses less digits than its factorization.

1563322434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260553744.

The product of its digits is 51840, while the sum is 33.

The square root of 1563322434 is about 39538.8724421929. The cubic root of 1563322434 is about 1160.6007673842.

It can be divided in two parts, 156332 and 2434, that added together give a triangular number (158766 = T₅₆₃).

The spelling of 1563322434 in words is "one billion, five hundred sixty-three million, three hundred twenty-two thousand, four hundred thirty-four".