22453641643 has 2 divisors, whose sum is σ = 22453641644. Its totient is φ = 22453641642.

The previous prime is 22453641631. The next prime is 22453641731. The reversal of 22453641643 is 34614635422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22453641643 - 2⁹ = 22453641131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22453641596 and 22453641605.

It is not a weakly prime, because it can be changed into another prime (22453641443) 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 as a sum of consecutive naturals, namely, 11226820821 + 11226820822.

It is an arithmetic number, because the mean of its divisors is an integer number (11226820822).

Almost surely, 2^22453641643 is an apocalyptic number.

22453641643 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453641643 is an equidigital number, since it uses as much as digits as its factorization.

22453641643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 40.

The spelling of 22453641643 in words is "twenty-two billion, four hundred fifty-three million, six hundred forty-one thousand, six hundred forty-three".