5170553668381 has 4 divisors (see below), whose sum is σ = 5442688072000. Its totient is φ = 4898419264764.

The previous prime is 5170553668331. The next prime is 5170553668429. The reversal of 5170553668381 is 1838663550715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5170553668381 - 2¹³ = 5170553660189 is a prime.

It is a super-2 number, since 2×5170553668381² (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 (5170553668331) 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, 136067201781 + ... + 136067201818.

It is an arithmetic number, because the mean of its divisors is an integer number (1360672018000).

Almost surely, 2^{5170553668381} is an apocalyptic number.

It is an amenable number.

5170553668381 is a deficient number, since it is larger than the sum of its proper divisors (272134403619).

5170553668381 is a wasteful number, since it uses less digits than its factorization.

5170553668381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272134403618.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 5170553668381 in words is "five trillion, one hundred seventy billion, five hundred fifty-three million, six hundred sixty-eight thousand, three hundred eighty-one".