5120819698 has 4 divisors (see below), whose sum is σ = 7681229550. Its totient is φ = 2560409848.

The previous prime is 5120819689. The next prime is 5120819701. The reversal of 5120819698 is 8969180215.

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., 4186478209 + 934341489 = 64703^2 + 30567^2 .

It is a super-2 number, since 2×5120819698² = 52445588758849622408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280204923 + ... + 1280204926.

Almost surely, 2^5120819698 is an apocalyptic number.

5120819698 is a deficient number, since it is larger than the sum of its proper divisors (2560409852).

5120819698 is a wasteful number, since it uses less digits than its factorization.

5120819698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560409851.

The product of its (nonzero) digits is 311040, while the sum is 49.

The square root of 5120819698 is about 71559.9028646630. The cubic root of 5120819698 is about 1723.6397255449.

The spelling of 5120819698 in words is "five billion, one hundred twenty million, eight hundred nineteen thousand, six hundred ninety-eight".