40665345146563 has 2 divisors, whose sum is σ = 40665345146564. Its totient is φ = 40665345146562.

The previous prime is 40665345146509. The next prime is 40665345146581. The reversal of 40665345146563 is 36564154356604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40665345146563 - 2⁴⁵ = 5480973057731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40665345146498 and 40665345146507.

It is not a weakly prime, because it can be changed into another prime (40665345141563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20332672573281 + 20332672573282.

It is an arithmetic number, because the mean of its divisors is an integer number (20332672573282).

Almost surely, 2^{40665345146563} is an apocalyptic number.

40665345146563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40665345146563 is an equidigital number, since it uses as much as digits as its factorization.

40665345146563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312000, while the sum is 58.

The spelling of 40665345146563 in words is "forty trillion, six hundred sixty-five billion, three hundred forty-five million, one hundred forty-six thousand, five hundred sixty-three".