438701889019 has 2 divisors, whose sum is σ = 438701889020. Its totient is φ = 438701889018.

The previous prime is 438701889001. The next prime is 438701889097. The reversal of 438701889019 is 910988107834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438701889019 - 2¹¹ = 438701886971 is a prime.

It is a super-2 number, since 2×438701889019² (a number of 24 digits) contains 22 as substring.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (438701889419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219350944509 + 219350944510.

It is an arithmetic number, because the mean of its divisors is an integer number (219350944510).

Almost surely, 2^438701889019 is an apocalyptic number.

438701889019 is a deficient number, since it is larger than the sum of its proper divisors (1).

438701889019 is an equidigital number, since it uses as much as digits as its factorization.

438701889019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 438701889019 in words is "four hundred thirty-eight billion, seven hundred one million, eight hundred eighty-nine thousand, nineteen".