5009171276881 has 2 divisors, whose sum is σ = 5009171276882. Its totient is φ = 5009171276880.

The previous prime is 5009171276807. The next prime is 5009171276951. The reversal of 5009171276881 is 1886721719005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4523384580625 + 485786696256 = 2126825^2 + 696984^2 .

It is a cyclic number.

It is not a de Polignac number, because 5009171276881 - 2²³ = 5009162888273 is a prime.

It is a super-2 number, since 2×5009171276881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5009171273881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504585638440 + 2504585638441.

It is an arithmetic number, because the mean of its divisors is an integer number (2504585638441).

Almost surely, 2^{5009171276881} is an apocalyptic number.

It is an amenable number.

5009171276881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5009171276881 is an equidigital number, since it uses as much as digits as its factorization.

5009171276881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 55.

The spelling of 5009171276881 in words is "five trillion, nine billion, one hundred seventy-one million, two hundred seventy-six thousand, eight hundred eighty-one".