45447050709 has 6 divisors (see below), whose sum is σ = 65645739926. Its totient is φ = 30298033800.

The previous prime is 45447050669. The next prime is 45447050713. The reversal of 45447050709 is 90705074454.

It can be written as a sum of positive squares in only one way, i.e., 34073468100 + 11373582609 = 184590^2 + 106647^2 .

It is not a de Polignac number, because 45447050709 - 2¹² = 45447046613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45447050729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2524836142 + ... + 2524836159.

Almost surely, 2^45447050709 is an apocalyptic number.

It is an amenable number.

45447050709 is a deficient number, since it is larger than the sum of its proper divisors (20198689217).

45447050709 is a wasteful number, since it uses less digits than its factorization.

45447050709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049672307 (or 5049672304 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 45447050709 in words is "forty-five billion, four hundred forty-seven million, fifty thousand, seven hundred nine".