52719197969 has 4 divisors (see below), whose sum is σ = 52720417344. Its totient is φ = 52717978596.

The previous prime is 52719197953. The next prime is 52719197983. The reversal of 52719197969 is 96979191725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52719197969 - 2⁴ = 52719197953 is a prime.

It is a super-2 number, since 2×52719197969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52719197939) 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, 542357 + ... + 632130.

It is an arithmetic number, because the mean of its divisors is an integer number (13180104336).

Almost surely, 2^52719197969 is an apocalyptic number.

It is an amenable number.

52719197969 is a deficient number, since it is larger than the sum of its proper divisors (1219375).

52719197969 is a wasteful number, since it uses less digits than its factorization.

52719197969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219374.

The product of its digits is 19289340, while the sum is 65.

The spelling of 52719197969 in words is "fifty-two billion, seven hundred nineteen million, one hundred ninety-seven thousand, nine hundred sixty-nine".