21484087107 has 16 divisors (see below), whose sum is σ = 32920554240. Its totient is φ = 12208034592.

The previous prime is 21484087091. The next prime is 21484087117. The reversal of 21484087107 is 70178048412.

It is not a de Polignac number, because 21484087107 - 2⁴ = 21484087091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21484087117) 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 15 ways as a sum of consecutive naturals, for example, 2853928 + ... + 2861445.

It is an arithmetic number, because the mean of its divisors is an integer number (2057534640).

Almost surely, 2^21484087107 is an apocalyptic number.

21484087107 is a deficient number, since it is larger than the sum of its proper divisors (11436467133).

21484087107 is a wasteful number, since it uses less digits than its factorization.

21484087107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715562.

The product of its (nonzero) digits is 100352, while the sum is 42.

The spelling of 21484087107 in words is "twenty-one billion, four hundred eighty-four million, eighty-seven thousand, one hundred seven".