22530646441493 has 2 divisors, whose sum is σ = 22530646441494. Its totient is φ = 22530646441492.

The previous prime is 22530646441463. The next prime is 22530646441553. The reversal of 22530646441493 is 39414464603522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12754312257124 + 9776334184369 = 3571318^2 + 3126713^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530646441493 - 2¹⁴ = 22530646425109 is a prime.

It is a super-2 number, since 2×22530646441493² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22530646441463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265323220746 + 11265323220747.

It is an arithmetic number, because the mean of its divisors is an integer number (11265323220747).

Almost surely, 2^{22530646441493} is an apocalyptic number.

It is an amenable number.

22530646441493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530646441493 is an equidigital number, since it uses as much as digits as its factorization.

22530646441493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 22530646441493 in words is "twenty-two trillion, five hundred thirty billion, six hundred forty-six million, four hundred forty-one thousand, four hundred ninety-three".