58439121365 has 4 divisors (see below), whose sum is σ = 70126945644. Its totient is φ = 46751297088.

The previous prime is 58439121361. The next prime is 58439121373. The reversal of 58439121365 is 56312193485.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46011108004 + 12428013361 = 214502^2 + 111481^2 .

It is a cyclic number.

It is not a de Polignac number, because 58439121365 - 2² = 58439121361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58439121361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843912132 + ... + 5843912141.

It is an arithmetic number, because the mean of its divisors is an integer number (17531736411).

Almost surely, 2^58439121365 is an apocalyptic number.

It is an amenable number.

58439121365 is a deficient number, since it is larger than the sum of its proper divisors (11687824279).

58439121365 is a wasteful number, since it uses less digits than its factorization.

58439121365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687824278.

The product of its digits is 777600, while the sum is 47.

The spelling of 58439121365 in words is "fifty-eight billion, four hundred thirty-nine million, one hundred twenty-one thousand, three hundred sixty-five".