438536225939 has 8 divisors (see below), whose sum is σ = 517351492608. Its totient is φ = 363762767880.

The previous prime is 438536225927. The next prime is 438536225971. The reversal of 438536225939 is 939522635834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438536225939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438536225909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010451917 + ... + 1010452350.

It is an arithmetic number, because the mean of its divisors is an integer number (64668936576).

Almost surely, 2^438536225939 is an apocalyptic number.

438536225939 is a deficient number, since it is larger than the sum of its proper divisors (78815266669).

438536225939 is a wasteful number, since it uses less digits than its factorization.

438536225939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020904305.

The product of its digits is 41990400, while the sum is 59.

The spelling of 438536225939 in words is "four hundred thirty-eight billion, five hundred thirty-six million, two hundred twenty-five thousand, nine hundred thirty-nine".