5685519381 has 16 divisors (see below), whose sum is σ = 7873259520. Its totient is φ = 3645563760.

The previous prime is 5685519377. The next prime is 5685519467. The reversal of 5685519381 is 1839155865.

It is a happy number.

It is not a de Polignac number, because 5685519381 - 2² = 5685519377 is a prime.

It is a super-2 number, since 2×5685519381² = 64650261263453246322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685519331) 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 in 15 ways as a sum of consecutive naturals, for example, 172371 + ... + 202688.

It is an arithmetic number, because the mean of its divisors is an integer number (492078720).

Almost surely, 2^5685519381 is an apocalyptic number.

It is an amenable number.

5685519381 is a deficient number, since it is larger than the sum of its proper divisors (2187740139).

5685519381 is a wasteful number, since it uses less digits than its factorization.

5685519381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375256.

The product of its digits is 1296000, while the sum is 51.

The square root of 5685519381 is about 75402.3831254689. The cubic root of 5685519381 is about 1784.8020171317.

The spelling of 5685519381 in words is "five billion, six hundred eighty-five million, five hundred nineteen thousand, three hundred eighty-one".