5681476838 has 4 divisors (see below), whose sum is σ = 8522215260. Its totient is φ = 2840738418.

The previous prime is 5681476831. The next prime is 5681476849. The reversal of 5681476838 is 8386741865.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681476831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420369208 + ... + 1420369211.

It is an arithmetic number, because the mean of its divisors is an integer number (2130553815).

Almost surely, 2^5681476838 is an apocalyptic number.

5681476838 is a deficient number, since it is larger than the sum of its proper divisors (2840738422).

5681476838 is a wasteful number, since it uses less digits than its factorization.

5681476838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840738421.

The product of its digits is 7741440, while the sum is 56.

The square root of 5681476838 is about 75375.5718916945. The cubic root of 5681476838 is about 1784.3789042409.

The spelling of 5681476838 in words is "five billion, six hundred eighty-one million, four hundred seventy-six thousand, eight hundred thirty-eight".