21860701683 has 8 divisors (see below), whose sum is σ = 29171876496. Its totient is φ = 14561664000.

The previous prime is 21860701663. The next prime is 21860701717. The reversal of 21860701683 is 38610706812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21860701683 - 2⁵ = 21860701651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21860701633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030078 + ... + 3037283.

It is an arithmetic number, because the mean of its divisors is an integer number (3646484562).

Almost surely, 2^21860701683 is an apocalyptic number.

21860701683 is a deficient number, since it is larger than the sum of its proper divisors (7311174813).

21860701683 is a wasteful number, since it uses less digits than its factorization.

21860701683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068565.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 21860701683 in words is "twenty-one billion, eight hundred sixty million, seven hundred one thousand, six hundred eighty-three".