43260609165979 has 2 divisors, whose sum is σ = 43260609165980. Its totient is φ = 43260609165978.

The previous prime is 43260609165889. The next prime is 43260609166003. The reversal of 43260609165979 is 97956190606234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43260609165979 - 2³³ = 43252019231387 is a prime.

It is not a weakly prime, because it can be changed into another prime (43260609166979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21630304582989 + 21630304582990.

It is an arithmetic number, because the mean of its divisors is an integer number (21630304582990).

Almost surely, 2^{43260609165979} is an apocalyptic number.

43260609165979 is a deficient number, since it is larger than the sum of its proper divisors (1).

43260609165979 is an equidigital number, since it uses as much as digits as its factorization.

43260609165979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132269760, while the sum is 67.

The spelling of 43260609165979 in words is "forty-three trillion, two hundred sixty billion, six hundred nine million, one hundred sixty-five thousand, nine hundred seventy-nine".