43752904813 has 2 divisors, whose sum is σ = 43752904814. Its totient is φ = 43752904812.

The previous prime is 43752904787. The next prime is 43752904823. The reversal of 43752904813 is 31840925734.

43752904813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41339835684 + 2413069129 = 203322^2 + 49123^2 .

It is a cyclic number.

It is not a de Polignac number, because 43752904813 - 2⁵ = 43752904781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43752904823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21876452406 + 21876452407.

It is an arithmetic number, because the mean of its divisors is an integer number (21876452407).

Almost surely, 2^43752904813 is an apocalyptic number.

It is an amenable number.

43752904813 is a deficient number, since it is larger than the sum of its proper divisors (1).

43752904813 is an equidigital number, since it uses as much as digits as its factorization.

43752904813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 43752904813 in words is "forty-three billion, seven hundred fifty-two million, nine hundred four thousand, eight hundred thirteen".