676237231639 has 2 divisors, whose sum is σ = 676237231640. Its totient is φ = 676237231638.

The previous prime is 676237231627. The next prime is 676237231651. The reversal of 676237231639 is 936132732676.

676237231639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (676237231627) and next prime (676237231651).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676237231639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676237231639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676237231609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338118615819 + 338118615820.

It is an arithmetic number, because the mean of its divisors is an integer number (338118615820).

Almost surely, 2^676237231639 is an apocalyptic number.

676237231639 is a deficient number, since it is larger than the sum of its proper divisors (1).

676237231639 is an equidigital number, since it uses as much as digits as its factorization.

676237231639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 55.

The spelling of 676237231639 in words is "six hundred seventy-six billion, two hundred thirty-seven million, two hundred thirty-one thousand, six hundred thirty-nine".