43220413967 has 2 divisors, whose sum is σ = 43220413968. Its totient is φ = 43220413966.

The previous prime is 43220413933. The next prime is 43220414009. The reversal of 43220413967 is 76931402234.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43220413967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43220413927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610206983 + 21610206984.

It is an arithmetic number, because the mean of its divisors is an integer number (21610206984).

Almost surely, 2^43220413967 is an apocalyptic number.

43220413967 is a deficient number, since it is larger than the sum of its proper divisors (1).

43220413967 is an equidigital number, since it uses as much as digits as its factorization.

43220413967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 43220413967 in words is "forty-three billion, two hundred twenty million, four hundred thirteen thousand, nine hundred sixty-seven".