52019620259 has 4 divisors (see below), whose sum is σ = 52035793704. Its totient is φ = 52003446816.

The previous prime is 52019620249. The next prime is 52019620291. The reversal of 52019620259 is 95202691025.

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 52019620259 - 2²⁸ = 51751184803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52019620249) 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, 8081897 + ... + 8088330.

It is an arithmetic number, because the mean of its divisors is an integer number (13008948426).

Almost surely, 2^52019620259 is an apocalyptic number.

52019620259 is a deficient number, since it is larger than the sum of its proper divisors (16173445).

52019620259 is a wasteful number, since it uses less digits than its factorization.

52019620259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16173444.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 52019620259 in words is "fifty-two billion, nineteen million, six hundred twenty thousand, two hundred fifty-nine".