5194908578 has 4 divisors (see below), whose sum is σ = 7792362870. Its totient is φ = 2597454288.

The previous prime is 5194908571. The next prime is 5194908611. The reversal of 5194908578 is 8758094915.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4942511809 + 252396769 = 70303^2 + 15887^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5194908571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1298727143 + ... + 1298727146.

Almost surely, 2^5194908578 is an apocalyptic number.

5194908578 is a deficient number, since it is larger than the sum of its proper divisors (2597454292).

5194908578 is a wasteful number, since it uses less digits than its factorization.

5194908578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597454291.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The square root of 5194908578 is about 72075.7142038842. The cubic root of 5194908578 is about 1731.9125915723.

The spelling of 5194908578 in words is "five billion, one hundred ninety-four million, nine hundred eight thousand, five hundred seventy-eight".