42400064467 has 2 divisors, whose sum is σ = 42400064468. Its totient is φ = 42400064466.

The previous prime is 42400064401. The next prime is 42400064471. The reversal of 42400064467 is 76446000424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42400064467 is a prime.

It is not a weakly prime, because it can be changed into another prime (42400064767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200032233 + 21200032234.

It is an arithmetic number, because the mean of its divisors is an integer number (21200032234).

Almost surely, 2^42400064467 is an apocalyptic number.

42400064467 is a deficient number, since it is larger than the sum of its proper divisors (1).

42400064467 is an equidigital number, since it uses as much as digits as its factorization.

42400064467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 42400064467 in words is "forty-two billion, four hundred million, sixty-four thousand, four hundred sixty-seven".