5646772745 has 8 divisors (see below), whose sum is σ = 6887211720. Its totient is φ = 4443361920.

The previous prime is 5646772709. The next prime is 5646772753. The reversal of 5646772745 is 5472776465.

It can be written as a sum of positive squares in 4 ways, for example, as 525509776 + 5121262969 = 22924^2 + 71563^2 .

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

It is not a de Polignac number, because 5646772745 - 2⁸ = 5646772489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9256700 + ... + 9257309.

It is an arithmetic number, because the mean of its divisors is an integer number (860901465).

Almost surely, 2^5646772745 is an apocalyptic number.

It is an amenable number.

5646772745 is a deficient number, since it is larger than the sum of its proper divisors (1240438975).

5646772745 is a wasteful number, since it uses less digits than its factorization.

5646772745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18514075.

The product of its digits is 9878400, while the sum is 53.

The square root of 5646772745 is about 75145.0114445397. The cubic root of 5646772745 is about 1780.7383152078.

The spelling of 5646772745 in words is "five billion, six hundred forty-six million, seven hundred seventy-two thousand, seven hundred forty-five".