22378065653 has 2 divisors, whose sum is σ = 22378065654. Its totient is φ = 22378065652.

The previous prime is 22378065641. The next prime is 22378065659. The reversal of 22378065653 is 35656087322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22378065649 + 4 = 149593^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 22378065653 - 2¹² = 22378061557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22378065598 and 22378065607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22378065659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11189032826 + 11189032827.

It is an arithmetic number, because the mean of its divisors is an integer number (11189032827).

Almost surely, 2^22378065653 is an apocalyptic number.

It is an amenable number.

22378065653 is a deficient number, since it is larger than the sum of its proper divisors (1).

22378065653 is an equidigital number, since it uses as much as digits as its factorization.

22378065653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 22378065653 in words is "twenty-two billion, three hundred seventy-eight million, sixty-five thousand, six hundred fifty-three".