52012819291 has 4 divisors (see below), whose sum is σ = 52013562400. Its totient is φ = 52012076184.

The previous prime is 52012819247. The next prime is 52012819303. The reversal of 52012819291 is 19291821025.

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

It is a cyclic number.

It is not a de Polignac number, because 52012819291 - 2¹³ = 52012811099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52012819231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254211 + ... + 410668.

It is an arithmetic number, because the mean of its divisors is an integer number (13003390600).

Almost surely, 2^52012819291 is an apocalyptic number.

52012819291 is a deficient number, since it is larger than the sum of its proper divisors (743109).

52012819291 is an equidigital number, since it uses as much as digits as its factorization.

52012819291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743108.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 52012819291 in words is "fifty-two billion, twelve million, eight hundred nineteen thousand, two hundred ninety-one".