43106718401 has 2 divisors, whose sum is σ = 43106718402. Its totient is φ = 43106718400.

The previous prime is 43106718379. The next prime is 43106718437. The reversal of 43106718401 is 10481760134.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21609294001 + 21497424400 = 147001^2 + 146620^2 .

It is a cyclic number.

It is not a de Polignac number, because 43106718401 - 2⁶ = 43106718337 is a prime.

It is a super-2 number, since 2×43106718401² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43106718461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21553359200 + 21553359201.

It is an arithmetic number, because the mean of its divisors is an integer number (21553359201).

Almost surely, 2^43106718401 is an apocalyptic number.

It is an amenable number.

43106718401 is a deficient number, since it is larger than the sum of its proper divisors (1).

43106718401 is an equidigital number, since it uses as much as digits as its factorization.

43106718401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 43106718401 in words is "forty-three billion, one hundred six million, seven hundred eighteen thousand, four hundred one".