563978093 has 10 divisors (see below), whose sum is σ = 657938094. Its totient is φ = 483407736.

The previous prime is 563978089. The next prime is 563978113. The reversal of 563978093 is 390879365.

It can be written as a sum of positive squares in only one way, i.e., 378419209 + 185558884 = 19453^2 + 13622^2 .

It is not a de Polignac number, because 563978093 - 2² = 563978089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563978293) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 115046 + ... + 119847.

Almost surely, 2^563978093 is an apocalyptic number.

It is an amenable number.

563978093 is a deficient number, since it is larger than the sum of its proper divisors (93960001).

563978093 is an frugal number, since it uses more digits than its factorization.

563978093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234921 (or 234900 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 563978093 is about 23748.2229440436. Note that the first 3 decimals coincide. The cubic root of 563978093 is about 826.2042250933.

The spelling of 563978093 in words is "five hundred sixty-three million, nine hundred seventy-eight thousand, ninety-three".