438729541711 has 4 divisors (see below), whose sum is σ = 440477468424. Its totient is φ = 436981615000.

The previous prime is 438729541681. The next prime is 438729541721. The reversal of 438729541711 is 117145927834.

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 438729541711 - 2¹³ = 438729533519 is a prime.

It is a super-2 number, since 2×438729541711² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438729541721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873962980 + ... + 873963481.

It is an arithmetic number, because the mean of its divisors is an integer number (110119367106).

Almost surely, 2^438729541711 is an apocalyptic number.

438729541711 is a deficient number, since it is larger than the sum of its proper divisors (1747926713).

438729541711 is a wasteful number, since it uses less digits than its factorization.

438729541711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747926712.

The product of its digits is 1693440, while the sum is 52.

The spelling of 438729541711 in words is "four hundred thirty-eight billion, seven hundred twenty-nine million, five hundred forty-one thousand, seven hundred eleven".