5169870926845 has 4 divisors (see below), whose sum is σ = 6203845112220. Its totient is φ = 4135896741472.

The previous prime is 5169870926839. The next prime is 5169870926849. The reversal of 5169870926845 is 5486290789615.

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 2019178476484 + 3150692450361 = 1420978^2 + 1775019^2 .

It is a cyclic number.

It is not a de Polignac number, because 5169870926845 - 2²¹ = 5169868829693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5169870926849) 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, 516987092680 + ... + 516987092689.

It is an arithmetic number, because the mean of its divisors is an integer number (1550961278055).

Almost surely, 2^{5169870926845} is an apocalyptic number.

It is an amenable number.

5169870926845 is a deficient number, since it is larger than the sum of its proper divisors (1033974185375).

5169870926845 is a wasteful number, since it uses less digits than its factorization.

5169870926845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033974185374.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 5169870926845 in words is "five trillion, one hundred sixty-nine billion, eight hundred seventy million, nine hundred twenty-six thousand, eight hundred forty-five".