565540146907 has 2 divisors, whose sum is σ = 565540146908. Its totient is φ = 565540146906.

The previous prime is 565540146881. The next prime is 565540146911. The reversal of 565540146907 is 709641045565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565540146907 is a prime.

It is a super-2 number, since 2×565540146907² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (565540146707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282770073453 + 282770073454.

It is an arithmetic number, because the mean of its divisors is an integer number (282770073454).

Almost surely, 2^565540146907 is an apocalyptic number.

565540146907 is a deficient number, since it is larger than the sum of its proper divisors (1).

565540146907 is an equidigital number, since it uses as much as digits as its factorization.

565540146907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 565540146907 in words is "five hundred sixty-five billion, five hundred forty million, one hundred forty-six thousand, nine hundred seven".