52673365991 has 2 divisors, whose sum is σ = 52673365992. Its totient is φ = 52673365990.

The previous prime is 52673365973. The next prime is 52673366017. The reversal of 52673365991 is 19956337625.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52673365991 - 2¹⁰ = 52673364967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52673335991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26336682995 + 26336682996.

It is an arithmetic number, because the mean of its divisors is an integer number (26336682996).

Almost surely, 2^52673365991 is an apocalyptic number.

52673365991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52673365991 is an equidigital number, since it uses as much as digits as its factorization.

52673365991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9185400, while the sum is 56.

The spelling of 52673365991 in words is "fifty-two billion, six hundred seventy-three million, three hundred sixty-five thousand, nine hundred ninety-one".