21886804363 has 8 divisors (see below), whose sum is σ = 21991279968. Its totient is φ = 21782531904.

The previous prime is 21886804337. The next prime is 21886804417. The reversal of 21886804363 is 36340868812.

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

It is a cyclic number.

It is not a de Polignac number, because 21886804363 - 2¹³ = 21886796171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21886804663) 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, 167431 + ... + 267967.

It is an arithmetic number, because the mean of its divisors is an integer number (2748909996).

Almost surely, 2^21886804363 is an apocalyptic number.

21886804363 is a deficient number, since it is larger than the sum of its proper divisors (104475605).

21886804363 is a wasteful number, since it uses less digits than its factorization.

21886804363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101573.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 21886804363 in words is "twenty-one billion, eight hundred eighty-six million, eight hundred four thousand, three hundred sixty-three".