438701889023 has 4 divisors (see below), whose sum is σ = 442961130768. Its totient is φ = 434442647280.

The previous prime is 438701889019. The next prime is 438701889097. The reversal of 438701889023 is 320988107834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 438701889023 - 2² = 438701889019 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438701859023) 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 in 3 ways as a sum of consecutive naturals, for example, 2129620718 + ... + 2129620923.

It is an arithmetic number, because the mean of its divisors is an integer number (110740282692).

Almost surely, 2^438701889023 is an apocalyptic number.

438701889023 is a deficient number, since it is larger than the sum of its proper divisors (4259241745).

438701889023 is a wasteful number, since it uses less digits than its factorization.

438701889023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259241744.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 438701889023 in words is "four hundred thirty-eight billion, seven hundred one million, eight hundred eighty-nine thousand, twenty-three".