21104337460007 has 4 divisors (see below), whose sum is σ = 21832073234520. Its totient is φ = 20376601685496.

The previous prime is 21104337459979. The next prime is 21104337460099. The reversal of 21104337460007 is 70006473340112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21104337460007 - 2²² = 21104333265703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104337462007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363867887213 + ... + 363867887270.

It is an arithmetic number, because the mean of its divisors is an integer number (5458018308630).

Almost surely, 2^{21104337460007} is an apocalyptic number.

21104337460007 is a deficient number, since it is larger than the sum of its proper divisors (727735774513).

21104337460007 is an equidigital number, since it uses as much as digits as its factorization.

21104337460007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727735774512.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 21104337460007 in words is "twenty-one trillion, one hundred four billion, three hundred thirty-seven million, four hundred sixty thousand, seven".