438064704019 has 2 divisors, whose sum is σ = 438064704020. Its totient is φ = 438064704018.

The previous prime is 438064703977. The next prime is 438064704023. The reversal of 438064704019 is 910407460834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 438064704019 - 2¹⁹ = 438064179731 is a prime.

It is a super-2 number, since 2×438064704019² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 438064704019.

It is not a weakly prime, because it can be changed into another prime (438064704059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219032352009 + 219032352010.

It is an arithmetic number, because the mean of its divisors is an integer number (219032352010).

Almost surely, 2^438064704019 is an apocalyptic number.

438064704019 is a deficient number, since it is larger than the sum of its proper divisors (1).

438064704019 is an equidigital number, since it uses as much as digits as its factorization.

438064704019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 438064704019 in words is "four hundred thirty-eight billion, sixty-four million, seven hundred four thousand, nineteen".