22641053545 has 12 divisors (see below), whose sum is σ = 29863737540. Its totient is φ = 16466220320.

The previous prime is 22641053489. The next prime is 22641053549. The reversal of 22641053545 is 54535014622.

It can be written as a sum of positive squares in 2 ways, for example, as 6719408784 + 15921644761 = 81972^2 + 126181^2 .

It is not a de Polignac number, because 22641053545 - 2⁷ = 22641053417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22641053549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18711010 + ... + 18712219.

It is an arithmetic number, because the mean of its divisors is an integer number (2488644795).

Almost surely, 2^22641053545 is an apocalyptic number.

It is an amenable number.

22641053545 is a deficient number, since it is larger than the sum of its proper divisors (7222683995).

22641053545 is a wasteful number, since it uses less digits than its factorization.

22641053545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37423256 (or 37423245 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 22641053545 in words is "twenty-two billion, six hundred forty-one million, fifty-three thousand, five hundred forty-five".