438064703899 has 2 divisors, whose sum is σ = 438064703900. Its totient is φ = 438064703898.

The previous prime is 438064703873. The next prime is 438064703927. The reversal of 438064703899 is 998307460834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438064703899 - 2⁷ = 438064703771 is a prime.

It is not a weakly prime, because it can be changed into another prime (438064703809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219032351949 + 219032351950.

It is an arithmetic number, because the mean of its divisors is an integer number (219032351950).

Almost surely, 2^438064703899 is an apocalyptic number.

438064703899 is a deficient number, since it is larger than the sum of its proper divisors (1).

438064703899 is an equidigital number, since it uses as much as digits as its factorization.

438064703899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 438064703899 in words is "four hundred thirty-eight billion, sixty-four million, seven hundred three thousand, eight hundred ninety-nine".