5437512191 has 2 divisors, whose sum is σ = 5437512192. Its totient is φ = 5437512190.

The previous prime is 5437512181. The next prime is 5437512217. The reversal of 5437512191 is 1912157345.

5437512191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5437512191 - 2²² = 5433317887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5437512161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718756095 + 2718756096.

It is an arithmetic number, because the mean of its divisors is an integer number (2718756096).

Almost surely, 2^5437512191 is an apocalyptic number.

5437512191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5437512191 is an equidigital number, since it uses as much as digits as its factorization.

5437512191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 38.

The square root of 5437512191 is about 73739.4886814385. The cubic root of 5437512191 is about 1758.4637281695.

It can be divided in two parts, 54375 and 12191, that added together give a palindrome (66566).

The spelling of 5437512191 in words is "five billion, four hundred thirty-seven million, five hundred twelve thousand, one hundred ninety-one".