82549733639 has 2 divisors, whose sum is σ = 82549733640. Its totient is φ = 82549733638.

The previous prime is 82549733627. The next prime is 82549733641. The reversal of 82549733639 is 93633794528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82549733639 is a prime.

Together with 82549733641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82549738639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41274866819 + 41274866820.

It is an arithmetic number, because the mean of its divisors is an integer number (41274866820).

Almost surely, 2^82549733639 is an apocalyptic number.

82549733639 is a deficient number, since it is larger than the sum of its proper divisors (1).

82549733639 is an equidigital number, since it uses as much as digits as its factorization.

82549733639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 59.

The spelling of 82549733639 in words is "eighty-two billion, five hundred forty-nine million, seven hundred thirty-three thousand, six hundred thirty-nine".