21862832903989 has 8 divisors (see below), whose sum is σ = 27257557906368. Its totient is φ = 17035973691360.

The previous prime is 21862832903969. The next prime is 21862832904023. The reversal of 21862832903989 is 98930923826812.

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 21862832903989 - 2⁷ = 21862832903861 is a prime.

It is a super-2 number, since 2×21862832903989² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21862832903969) 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, 141966447352 + ... + 141966447505.

It is an arithmetic number, because the mean of its divisors is an integer number (3407194738296).

Almost surely, 2^{21862832903989} is an apocalyptic number.

It is an amenable number.

21862832903989 is a deficient number, since it is larger than the sum of its proper divisors (5394725002379).

21862832903989 is a wasteful number, since it uses less digits than its factorization.

21862832903989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283932894875.

The product of its (nonzero) digits is 161243136, while the sum is 70.

The spelling of 21862832903989 in words is "twenty-one trillion, eight hundred sixty-two billion, eight hundred thirty-two million, nine hundred three thousand, nine hundred eighty-nine".