5681685042 has 24 divisors (see below), whose sum is σ = 13429437840. Its totient is φ = 1721722680.

The previous prime is 5681685029. The next prime is 5681685049. The reversal of 5681685042 is 2405861865.

5681685042 is a `hidden beast` number, since 5 + 6 + 81 + 68 + 504 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (5681685049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14347492 + ... + 14347887.

It is an arithmetic number, because the mean of its divisors is an integer number (559559910).

Almost surely, 2^5681685042 is an apocalyptic number.

5681685042 is an abundant number, since it is smaller than the sum of its proper divisors (7747752798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681685042 is a wasteful number, since it uses less digits than its factorization.

5681685042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28695398 (or 28695395 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 5681685042 is about 75376.9529896241. The cubic root of 5681685042 is about 1784.4007008206.

The spelling of 5681685042 in words is "five billion, six hundred eighty-one million, six hundred eighty-five thousand, forty-two".