438114775071 has 16 divisors (see below), whose sum is σ = 586629838080. Its totient is φ = 290838334080.

The previous prime is 438114775067. The next prime is 438114775099. The reversal of 438114775071 is 170577411834.

It is a happy number.

It is not a de Polignac number, because 438114775071 - 2² = 438114775067 is a prime.

It is a super-2 number, since 2×438114775071² (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 438114775071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438114773071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11145670 + ... + 11184908.

It is an arithmetic number, because the mean of its divisors is an integer number (36664364880).

Almost surely, 2^438114775071 is an apocalyptic number.

438114775071 is a deficient number, since it is larger than the sum of its proper divisors (148515063009).

438114775071 is a wasteful number, since it uses less digits than its factorization.

438114775071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54926.

The product of its (nonzero) digits is 658560, while the sum is 48.

The spelling of 438114775071 in words is "four hundred thirty-eight billion, one hundred fourteen million, seven hundred seventy-five thousand, seventy-one".