438259607361 has 24 divisors (see below), whose sum is σ = 650219082240. Its totient is φ = 284246685216.

The previous prime is 438259607327. The next prime is 438259607371. The reversal of 438259607361 is 163706952834.

438259607361 is a `hidden beast` number, since 4 + 3 + 8 + 25 + 9 + 607 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 438259607361 - 2²³ = 438251218753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438259607298 and 438259607307.

It is not an unprimeable number, because it can be changed into a prime (438259607371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3367030 + ... + 3494768.

It is an arithmetic number, because the mean of its divisors is an integer number (27092461760).

It is a 1-persistent number, because it is pandigital, but 2⋅438259607361 = 876519214722 is not.

Almost surely, 2^438259607361 is an apocalyptic number.

It is an amenable number.

438259607361 is a deficient number, since it is larger than the sum of its proper divisors (211959474879).

438259607361 is a wasteful number, since it uses less digits than its factorization.

438259607361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138085 (or 138082 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 438259607361 in words is "four hundred thirty-eight billion, two hundred fifty-nine million, six hundred seven thousand, three hundred sixty-one".