438052482638465 has 8 divisors (see below), whose sum is σ = 526142161469160. Its totient is φ = 350122531242112.

The previous prime is 438052482638437. The next prime is 438052482638497. The reversal of 438052482638465 is 564836284250834.

It can be written as a sum of positive squares in 4 ways, for example, as 2522671477264 + 435529811161201 = 1588292^2 + 20869351^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 438052482638465 - 2²⁴ = 438052465861249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438052482638395 and 438052482638404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39931852550 + ... + 39931863519.

It is an arithmetic number, because the mean of its divisors is an integer number (65767770183645).

Almost surely, 2^{438052482638465} is an apocalyptic number.

It is an amenable number.

438052482638465 is a deficient number, since it is larger than the sum of its proper divisors (88089678830695).

438052482638465 is a wasteful number, since it uses less digits than its factorization.

438052482638465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79863717171.

The product of its (nonzero) digits is 1061683200, while the sum is 68.

The spelling of 438052482638465 in words is "four hundred thirty-eight trillion, fifty-two billion, four hundred eighty-two million, six hundred thirty-eight thousand, four hundred sixty-five".