43671746113 has 2 divisors, whose sum is σ = 43671746114. Its totient is φ = 43671746112.

The previous prime is 43671746101. The next prime is 43671746117. The reversal of 43671746113 is 31164717634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33248969649 + 10422776464 = 182343^2 + 102092^2 .

It is a cyclic number.

It is not a de Polignac number, because 43671746113 - 2²¹ = 43669648961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43671746113.

It is not a weakly prime, because it can be changed into another prime (43671746117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21835873056 + 21835873057.

It is an arithmetic number, because the mean of its divisors is an integer number (21835873057).

Almost surely, 2^43671746113 is an apocalyptic number.

It is an amenable number.

43671746113 is a deficient number, since it is larger than the sum of its proper divisors (1).

43671746113 is an equidigital number, since it uses as much as digits as its factorization.

43671746113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The spelling of 43671746113 in words is "forty-three billion, six hundred seventy-one million, seven hundred forty-six thousand, one hundred thirteen".