5625945729 has 12 divisors (see below), whose sum is σ = 8200921300. Its totient is φ = 3716220384.

The previous prime is 5625945727. The next prime is 5625945739. The reversal of 5625945729 is 9275495265.

5625945729 is a `hidden beast` number, since 5 + 62 + 5 + 9 + 4 + 572 + 9 = 666.

5625945729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2698594704 + 2927351025 = 51948^2 + 54105^2 .

It is not a de Polignac number, because 5625945729 - 2¹ = 5625945727 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5625945727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2866474 + ... + 2868435.

Almost surely, 2^5625945729 is an apocalyptic number.

It is an amenable number.

5625945729 is a deficient number, since it is larger than the sum of its proper divisors (2574975571).

5625945729 is a wasteful number, since it uses less digits than its factorization.

5625945729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735024 (or 5735021 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 5625945729 is about 75006.3045950139. The cubic root of 5625945729 is about 1778.5463165012.

The spelling of 5625945729 in words is "five billion, six hundred twenty-five million, nine hundred forty-five thousand, seven hundred twenty-nine".