538660089479 has 2 divisors, whose sum is σ = 538660089480. Its totient is φ = 538660089478.

The previous prime is 538660089469. The next prime is 538660089481. The reversal of 538660089479 is 974980066835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538660089479 - 2⁴ = 538660089463 is a prime.

Together with 538660089481, 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 (538660089469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269330044739 + 269330044740.

It is an arithmetic number, because the mean of its divisors is an integer number (269330044740).

Almost surely, 2^538660089479 is an apocalyptic number.

538660089479 is a deficient number, since it is larger than the sum of its proper divisors (1).

538660089479 is an equidigital number, since it uses as much as digits as its factorization.

538660089479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 538660089479 in words is "five hundred thirty-eight billion, six hundred sixty million, eighty-nine thousand, four hundred seventy-nine".