22945321649 has 8 divisors (see below), whose sum is σ = 22990091040. Its totient is φ = 22900578336.

The previous prime is 22945321643. The next prime is 22945321687. The reversal of 22945321649 is 94612354922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22945321649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22945321643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3083237 + ... + 3090669.

It is an arithmetic number, because the mean of its divisors is an integer number (2873761380).

Almost surely, 2^22945321649 is an apocalyptic number.

It is an amenable number.

22945321649 is a deficient number, since it is larger than the sum of its proper divisors (44769391).

22945321649 is an equidigital number, since it uses as much as digits as its factorization.

22945321649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13039.

The product of its digits is 933120, while the sum is 47.

The spelling of 22945321649 in words is "twenty-two billion, nine hundred forty-five million, three hundred twenty-one thousand, six hundred forty-nine".