5136364981971 has 16 divisors (see below), whose sum is σ = 7609472560800. Its totient is φ = 3424223990304.

The previous prime is 5136364981939. The next prime is 5136364981981. The reversal of 5136364981971 is 1791894636315.

It is a happy number.

5136364981971 is a `hidden beast` number, since 5 + 1 + 3 + 63 + 6 + 498 + 19 + 71 = 666.

It is not a de Polignac number, because 5136364981971 - 2⁵ = 5136364981939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5136364981899 and 5136364981908.

It is not an unprimeable number, because it can be changed into a prime (5136364981981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5616345 + ... + 6466533.

It is an arithmetic number, because the mean of its divisors is an integer number (475592035050).

Almost surely, 2^{5136364981971} is an apocalyptic number.

5136364981971 is a deficient number, since it is larger than the sum of its proper divisors (2473107578829).

5136364981971 is a wasteful number, since it uses less digits than its factorization.

5136364981971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073955 (or 1073949 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 5136364981971 in words is "five trillion, one hundred thirty-six billion, three hundred sixty-four million, nine hundred eighty-one thousand, nine hundred seventy-one".