43801564241 has 2 divisors, whose sum is σ = 43801564242. Its totient is φ = 43801564240.

The previous prime is 43801564211. The next prime is 43801564271. The reversal of 43801564241 is 14246510834.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (43801564211) and next prime (43801564271).

It can be written as a sum of positive squares in only one way, i.e., 32940798016 + 10860766225 = 181496^2 + 104215^2 .

It is a cyclic number.

It is not a de Polignac number, because 43801564241 - 2¹⁴ = 43801547857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43801564195 and 43801564204.

It is not a weakly prime, because it can be changed into another prime (43801564211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21900782120 + 21900782121.

It is an arithmetic number, because the mean of its divisors is an integer number (21900782121).

Almost surely, 2^43801564241 is an apocalyptic number.

It is an amenable number.

43801564241 is a deficient number, since it is larger than the sum of its proper divisors (1).

43801564241 is an equidigital number, since it uses as much as digits as its factorization.

43801564241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 43801564241 in words is "forty-three billion, eight hundred one million, five hundred sixty-four thousand, two hundred forty-one".