5665424623 has 24 divisors (see below), whose sum is σ = 6077731968. Its totient is φ = 5277006000.

The previous prime is 5665424621. The next prime is 5665424629. The reversal of 5665424623 is 3264245665.

It is not a de Polignac number, because 5665424623 - 2¹ = 5665424621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5665424623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665424621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2932968 + ... + 2934898.

It is an arithmetic number, because the mean of its divisors is an integer number (253238832).

Almost surely, 2^5665424623 is an apocalyptic number.

5665424623 is a deficient number, since it is larger than the sum of its proper divisors (412307345).

5665424623 is a wasteful number, since it uses less digits than its factorization.

5665424623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2076 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

The square root of 5665424623 is about 75269.0150261049. The cubic root of 5665424623 is about 1782.6968150668.

The spelling of 5665424623 in words is "five billion, six hundred sixty-five million, four hundred twenty-four thousand, six hundred twenty-three".