5264812191 has 4 divisors (see below), whose sum is σ = 7019749592. Its totient is φ = 3509874792.

The previous prime is 5264812169. The next prime is 5264812193. The reversal of 5264812191 is 1912184625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5264812191 - 2⁵ = 5264812159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5264812193) 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 in 3 ways as a sum of consecutive naturals, for example, 877468696 + ... + 877468701.

It is an arithmetic number, because the mean of its divisors is an integer number (1754937398).

Almost surely, 2^5264812191 is an apocalyptic number.

5264812191 is a deficient number, since it is larger than the sum of its proper divisors (1754937401).

5264812191 is a wasteful number, since it uses less digits than its factorization.

5264812191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754937400.

The product of its digits is 34560, while the sum is 39.

The square root of 5264812191 is about 72559.0255653974. The cubic root of 5264812191 is about 1739.6463136977.

The spelling of 5264812191 in words is "five billion, two hundred sixty-four million, eight hundred twelve thousand, one hundred ninety-one".