5605621573 has 2 divisors, whose sum is σ = 5605621574. Its totient is φ = 5605621572.

The previous prime is 5605621493. The next prime is 5605621583. The reversal of 5605621573 is 3751265065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5420198884 + 185422689 = 73622^2 + 13617^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605621573 - 2⁹ = 5605621061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605621583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802810786 + 2802810787.

It is an arithmetic number, because the mean of its divisors is an integer number (2802810787).

Almost surely, 2^5605621573 is an apocalyptic number.

It is an amenable number.

5605621573 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605621573 is an equidigital number, since it uses as much as digits as its factorization.

5605621573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 5605621573 is about 74870.6990283916. The cubic root of 5605621573 is about 1776.4020210898.

The spelling of 5605621573 in words is "five billion, six hundred five million, six hundred twenty-one thousand, five hundred seventy-three".