52894763689 has 4 divisors (see below), whose sum is σ = 55678698640. Its totient is φ = 50110828740.

The previous prime is 52894763687. The next prime is 52894763699. The reversal of 52894763689 is 98636749825.

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 52894763689 - 2¹ = 52894763687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52894763681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391967447 + ... + 1391967484.

It is an arithmetic number, because the mean of its divisors is an integer number (13919674660).

Almost surely, 2^52894763689 is an apocalyptic number.

It is an amenable number.

52894763689 is a deficient number, since it is larger than the sum of its proper divisors (2783934951).

52894763689 is a wasteful number, since it uses less digits than its factorization.

52894763689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783934950.

The product of its digits is 156764160, while the sum is 67.

The spelling of 52894763689 in words is "fifty-two billion, eight hundred ninety-four million, seven hundred sixty-three thousand, six hundred eighty-nine".