5978918563 has 4 divisors (see below), whose sum is σ = 6238871568. Its totient is φ = 5718965560.

The previous prime is 5978918507. The next prime is 5978918587. The reversal of 5978918563 is 3658198795.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3658198795 = 5 ⋅731639759.

It is a cyclic number.

It is not a de Polignac number, because 5978918563 - 2¹⁷ = 5978787491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5978918503) 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 3 ways as a sum of consecutive naturals, for example, 129976468 + ... + 129976513.

It is an arithmetic number, because the mean of its divisors is an integer number (1559717892).

Almost surely, 2^5978918563 is an apocalyptic number.

5978918563 is a deficient number, since it is larger than the sum of its proper divisors (259953005).

5978918563 is a wasteful number, since it uses less digits than its factorization.

5978918563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259953004.

The product of its digits is 16329600, while the sum is 61.

The square root of 5978918563 is about 77323.4670911748. The cubic root of 5978918563 is about 1814.9899002491.

The spelling of 5978918563 in words is "five billion, nine hundred seventy-eight million, nine hundred eighteen thousand, five hundred sixty-three".