5235639679 has 2 divisors, whose sum is σ = 5235639680. Its totient is φ = 5235639678.

The previous prime is 5235639641. The next prime is 5235639701. The reversal of 5235639679 is 9769365325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5235639679 - 2⁷ = 5235639551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5235619679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2617819839 + 2617819840.

It is an arithmetic number, because the mean of its divisors is an integer number (2617819840).

Almost surely, 2^5235639679 is an apocalyptic number.

5235639679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5235639679 is an equidigital number, since it uses as much as digits as its factorization.

5235639679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9185400, while the sum is 55.

The square root of 5235639679 is about 72357.7202446290. The cubic root of 5235639679 is about 1736.4272132296.

The spelling of 5235639679 in words is "five billion, two hundred thirty-five million, six hundred thirty-nine thousand, six hundred seventy-nine".