64422409043 has 2 divisors, whose sum is σ = 64422409044. Its totient is φ = 64422409042.

The previous prime is 64422409021. The next prime is 64422409069. The reversal of 64422409043 is 34090422446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64422409043 - 2¹² = 64422404947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64422408988 and 64422409006.

It is not a weakly prime, because it can be changed into another prime (64422409243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32211204521 + 32211204522.

It is an arithmetic number, because the mean of its divisors is an integer number (32211204522).

Almost surely, 2^64422409043 is an apocalyptic number.

64422409043 is a deficient number, since it is larger than the sum of its proper divisors (1).

64422409043 is an equidigital number, since it uses as much as digits as its factorization.

64422409043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 64422409043 in words is "sixty-four billion, four hundred twenty-two million, four hundred nine thousand, forty-three".