5565465623 has 2 divisors, whose sum is σ = 5565465624. Its totient is φ = 5565465622.

The previous prime is 5565465611. The next prime is 5565465637. The reversal of 5565465623 is 3265645655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5565465623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5565465523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782732811 + 2782732812.

It is an arithmetic number, because the mean of its divisors is an integer number (2782732812).

Almost surely, 2^5565465623 is an apocalyptic number.

5565465623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5565465623 is an equidigital number, since it uses as much as digits as its factorization.

5565465623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240000, while the sum is 47.

The square root of 5565465623 is about 74602.0483834057. The cubic root of 5565465623 is about 1772.1500915547.

The spelling of 5565465623 in words is "five billion, five hundred sixty-five million, four hundred sixty-five thousand, six hundred twenty-three".