43117428793 has 2 divisors, whose sum is σ = 43117428794. Its totient is φ = 43117428792.

The previous prime is 43117428787. The next prime is 43117428799. The reversal of 43117428793 is 39782471134.

43117428793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (43117428787) and next prime (43117428799).

It can be written as a sum of positive squares in only one way, i.e., 23380550649 + 19736878144 = 152907^2 + 140488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43117428793 is a prime.

It is a super-2 number, since 2×43117428793² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43117428799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21558714396 + 21558714397.

It is an arithmetic number, because the mean of its divisors is an integer number (21558714397).

Almost surely, 2^43117428793 is an apocalyptic number.

It is an amenable number.

43117428793 is a deficient number, since it is larger than the sum of its proper divisors (1).

43117428793 is an equidigital number, since it uses as much as digits as its factorization.

43117428793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The spelling of 43117428793 in words is "forty-three billion, one hundred seventeen million, four hundred twenty-eight thousand, seven hundred ninety-three".