43417483261 has 2 divisors, whose sum is σ = 43417483262. Its totient is φ = 43417483260.

The previous prime is 43417483141. The next prime is 43417483267. The reversal of 43417483261 is 16238471434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22498200036 + 20919283225 = 149994^2 + 144635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43417483261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43417483267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21708741630 + 21708741631.

It is an arithmetic number, because the mean of its divisors is an integer number (21708741631).

Almost surely, 2^43417483261 is an apocalyptic number.

It is an amenable number.

43417483261 is a deficient number, since it is larger than the sum of its proper divisors (1).

43417483261 is an equidigital number, since it uses as much as digits as its factorization.

43417483261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The spelling of 43417483261 in words is "forty-three billion, four hundred seventeen million, four hundred eighty-three thousand, two hundred sixty-one".