43220414009 has 2 divisors, whose sum is σ = 43220414010. Its totient is φ = 43220414008.

The previous prime is 43220413967. The next prime is 43220414023. The reversal of 43220414009 is 90041402234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28695343609 + 14525070400 = 169397^2 + 120520^2 .

It is a cyclic number.

It is not a de Polignac number, because 43220414009 - 2¹⁶ = 43220348473 is a prime.

It is not a weakly prime, because it can be changed into another prime (43220414089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610207004 + 21610207005.

It is an arithmetic number, because the mean of its divisors is an integer number (21610207005).

Almost surely, 2^43220414009 is an apocalyptic number.

It is an amenable number.

43220414009 is a deficient number, since it is larger than the sum of its proper divisors (1).

43220414009 is an equidigital number, since it uses as much as digits as its factorization.

43220414009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 43220414009 in words is "forty-three billion, two hundred twenty million, four hundred fourteen thousand, nine".