5158154648639 has 4 divisors (see below), whose sum is σ = 5158159468800. Its totient is φ = 5158149828480.

The previous prime is 5158154648579. The next prime is 5158154648651. The reversal of 5158154648639 is 9368464518515.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5158154648639 is a prime.

It is a super-2 number, since 2×5158154648639² (a number of 26 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 (5158154648239) 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, 4607 + ... + 3211904.

It is an arithmetic number, because the mean of its divisors is an integer number (1289539867200).

Almost surely, 2^{5158154648639} is an apocalyptic number.

5158154648639 is a deficient number, since it is larger than the sum of its proper divisors (4820161).

5158154648639 is a wasteful number, since it uses less digits than its factorization.

5158154648639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820160.

The product of its digits is 124416000, while the sum is 65.

The spelling of 5158154648639 in words is "five trillion, one hundred fifty-eight billion, one hundred fifty-four million, six hundred forty-eight thousand, six hundred thirty-nine".