1563332468 has 6 divisors (see below), whose sum is σ = 2735831826. Its totient is φ = 781666232.

The previous prime is 1563332453. The next prime is 1563332497. The reversal of 1563332468 is 8642333651.

It can be written as a sum of positive squares in only one way, i.e., 1367668324 + 195664144 = 36982^2 + 13988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195416555 + ... + 195416562.

It is an arithmetic number, because the mean of its divisors is an integer number (455971971).

Almost surely, 2^1563332468 is an apocalyptic number.

It is an amenable number.

1563332468 is a deficient number, since it is larger than the sum of its proper divisors (1172499358).

1563332468 is a wasteful number, since it uses less digits than its factorization.

1563332468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390833121 (or 390833119 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 1563332468 is about 39538.9993297757. Note that the first 3 decimals coincide. The cubic root of 1563332468 is about 1160.6032504384.

The spelling of 1563332468 in words is "one billion, five hundred sixty-three million, three hundred thirty-two thousand, four hundred sixty-eight".