43725607747 has 2 divisors, whose sum is σ = 43725607748. Its totient is φ = 43725607746.

The previous prime is 43725607727. The next prime is 43725607789. The reversal of 43725607747 is 74770652734.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43725607747 - 2²⁷ = 43591390019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43725607694 and 43725607703.

It is not a weakly prime, because it can be changed into another prime (43725607727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21862803873 + 21862803874.

It is an arithmetic number, because the mean of its divisors is an integer number (21862803874).

Almost surely, 2^43725607747 is an apocalyptic number.

43725607747 is a deficient number, since it is larger than the sum of its proper divisors (1).

43725607747 is an equidigital number, since it uses as much as digits as its factorization.

43725607747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6914880, while the sum is 52.

The spelling of 43725607747 in words is "forty-three billion, seven hundred twenty-five million, six hundred seven thousand, seven hundred forty-seven".