5019765681 has 16 divisors (see below), whose sum is σ = 7651073024. Its totient is φ = 2867722704.

The previous prime is 5019765679. The next prime is 5019765689. The reversal of 5019765681 is 1865679105.

It is not a de Polignac number, because 5019765681 - 2¹ = 5019765679 is a prime.

It is a super-2 number, since 2×5019765681² = 50396094984290787522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5019765681.

It is not an unprimeable number, because it can be changed into a prime (5019765689) 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 15 ways as a sum of consecutive naturals, for example, 63246 + ... + 118488.

It is an arithmetic number, because the mean of its divisors is an integer number (478192064).

Almost surely, 2^5019765681 is an apocalyptic number.

It is an amenable number.

5019765681 is a deficient number, since it is larger than the sum of its proper divisors (2631307343).

5019765681 is a wasteful number, since it uses less digits than its factorization.

5019765681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59580.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 5019765681 is about 70850.3047347010. The cubic root of 5019765681 is about 1712.2262399765.

The spelling of 5019765681 in words is "five billion, nineteen million, seven hundred sixty-five thousand, six hundred eighty-one".