22053877649 has 8 divisors (see below), whose sum is σ = 22427433672. Its totient is φ = 21682252800.

The previous prime is 22053877609. The next prime is 22053877687. The reversal of 22053877649 is 94677835022.

It can be written as a sum of positive squares in 4 ways, for example, as 262213249 + 21791664400 = 16193^2 + 147620^2 .

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 22053877649 - 2¹⁶ = 22053812113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22053877649.

It is not an unprimeable number, because it can be changed into a prime (22053877609) 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, 459752 + ... + 505449.

It is an arithmetic number, because the mean of its divisors is an integer number (2803429209).

Almost surely, 2^22053877649 is an apocalyptic number.

It is an amenable number.

22053877649 is a deficient number, since it is larger than the sum of its proper divisors (373556023).

22053877649 is an equidigital number, since it uses as much as digits as its factorization.

22053877649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965587.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 22053877649 in words is "twenty-two billion, fifty-three million, eight hundred seventy-seven thousand, six hundred forty-nine".