45580464661 has 4 divisors (see below), whose sum is σ = 45662297292. Its totient is φ = 45498632032.

The previous prime is 45580464647. The next prime is 45580464703. The reversal of 45580464661 is 16646408554.

45580464661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1393902225 + 44186562436 = 37335^2 + 210206^2 .

It is a cyclic number.

It is not a de Polignac number, because 45580464661 - 2¹³ = 45580456469 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45580467661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40915480 + ... + 40916593.

It is an arithmetic number, because the mean of its divisors is an integer number (11415574323).

Almost surely, 2^45580464661 is an apocalyptic number.

It is an amenable number.

45580464661 is a deficient number, since it is larger than the sum of its proper divisors (81832631).

45580464661 is an equidigital number, since it uses as much as digits as its factorization.

45580464661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81832630.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 45580464661 in words is "forty-five billion, five hundred eighty million, four hundred sixty-four thousand, six hundred sixty-one".