5863686921 has 12 divisors (see below), whose sum is σ = 8742988800. Its totient is φ = 3783023640.

The previous prime is 5863686887. The next prime is 5863686923. The reversal of 5863686921 is 1296863685.

It is a happy number.

5863686921 is a `hidden beast` number, since 586 + 36 + 8 + 6 + 9 + 21 = 666.

It is not a de Polignac number, because 5863686921 - 2¹⁴ = 5863670537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5863686923) 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 11 ways as a sum of consecutive naturals, for example, 10508121 + ... + 10508678.

It is an arithmetic number, because the mean of its divisors is an integer number (728582400).

Almost surely, 2^5863686921 is an apocalyptic number.

It is an amenable number.

5863686921 is a deficient number, since it is larger than the sum of its proper divisors (2879301879).

5863686921 is a wasteful number, since it uses less digits than its factorization.

5863686921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016836 (or 21016833 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 5863686921 is about 76574.7146321813. The cubic root of 5863686921 is about 1803.2540849353.

The spelling of 5863686921 in words is "five billion, eight hundred sixty-three million, six hundred eighty-six thousand, nine hundred twenty-one".