21792429049811 has 8 divisors (see below), whose sum is σ = 25484833972224. Its totient is φ = 18244824320520.

The previous prime is 21792429049777. The next prime is 21792429049813. The reversal of 21792429049811 is 11894092429712.

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

It is not a de Polignac number, because 21792429049811 - 2²² = 21792424855507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21792429049813) 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, 36200047955 + ... + 36200048556.

It is an arithmetic number, because the mean of its divisors is an integer number (3185604246528).

Almost surely, 2^{21792429049811} is an apocalyptic number.

21792429049811 is a deficient number, since it is larger than the sum of its proper divisors (3692404922413).

21792429049811 is an equidigital number, since it uses as much as digits as its factorization.

21792429049811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72400096561.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 21792429049811 in words is "twenty-one trillion, seven hundred ninety-two billion, four hundred twenty-nine million, forty-nine thousand, eight hundred eleven".