5187400369291 has 8 divisors (see below), whose sum is σ = 6049446495200. Its totient is φ = 4446343173384.

The previous prime is 5187400369289. The next prime is 5187400369379. The reversal of 5187400369291 is 1929630047815.

It is a happy number.

It is not a de Polignac number, because 5187400369291 - 2¹ = 5187400369289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5187400360291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7561807776 + ... + 7561808461.

It is an arithmetic number, because the mean of its divisors is an integer number (756180811900).

It is a 1-persistent number, because it is pandigital, but 2⋅5187400369291 = 10374800738582 is not.

Almost surely, 2^{5187400369291} is an apocalyptic number.

5187400369291 is a deficient number, since it is larger than the sum of its proper divisors (862046125909).

5187400369291 is an equidigital number, since it uses as much as digits as its factorization.

5187400369291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123616258 (or 15123616244 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 5187400369291 in words is "five trillion, one hundred eighty-seven billion, four hundred million, three hundred sixty-nine thousand, two hundred ninety-one".