82696453639 has 2 divisors, whose sum is σ = 82696453640. Its totient is φ = 82696453638.

The previous prime is 82696453627. The next prime is 82696453643. The reversal of 82696453639 is 93635469628.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82696453639 - 2⁹ = 82696453127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82696453699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41348226819 + 41348226820.

It is an arithmetic number, because the mean of its divisors is an integer number (41348226820).

Almost surely, 2^82696453639 is an apocalyptic number.

82696453639 is a deficient number, since it is larger than the sum of its proper divisors (1).

82696453639 is an equidigital number, since it uses as much as digits as its factorization.

82696453639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50388480, while the sum is 61.

The spelling of 82696453639 in words is "eighty-two billion, six hundred ninety-six million, four hundred fifty-three thousand, six hundred thirty-nine".