6562220545 has 4 divisors (see below), whose sum is σ = 7874664660. Its totient is φ = 5249776432.

The previous prime is 6562220527. The next prime is 6562220563. The reversal of 6562220545 is 5450222656.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6562220527) and next prime (6562220563).

It can be written as a sum of positive squares in 2 ways, for example, as 4827331441 + 1734889104 = 69479^2 + 41652^2 .

It is a cyclic number.

It is not a de Polignac number, because 6562220545 - 2⁹ = 6562220033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656222050 + ... + 656222059.

It is an arithmetic number, because the mean of its divisors is an integer number (1968666165).

Almost surely, 2^6562220545 is an apocalyptic number.

It is an amenable number.

6562220545 is a deficient number, since it is larger than the sum of its proper divisors (1312444115).

6562220545 is a wasteful number, since it uses less digits than its factorization.

6562220545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312444114.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 6562220545 is about 81007.5338780289. The cubic root of 6562220545 is about 1872.1915211533.

The spelling of 6562220545 in words is "six billion, five hundred sixty-two million, two hundred twenty thousand, five hundred forty-five".