45566209691 has 8 divisors (see below), whose sum is σ = 46147757184. Its totient is φ = 44987219200.

The previous prime is 45566209687. The next prime is 45566209699. The reversal of 45566209691 is 19690266554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45566209691 - 2² = 45566209687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45566209699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603371 + ... + 674676.

It is an arithmetic number, because the mean of its divisors is an integer number (5768469648).

Almost surely, 2^45566209691 is an apocalyptic number.

45566209691 is a deficient number, since it is larger than the sum of its proper divisors (581547493).

45566209691 is a wasteful number, since it uses less digits than its factorization.

45566209691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278501.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 45566209691 in words is "forty-five billion, five hundred sixty-six million, two hundred nine thousand, six hundred ninety-one".