538660089607 has 2 divisors, whose sum is σ = 538660089608. Its totient is φ = 538660089606.

The previous prime is 538660089581. The next prime is 538660089661. The reversal of 538660089607 is 706980066835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538660089607 - 2⁷ = 538660089479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538660009607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269330044803 + 269330044804.

It is an arithmetic number, because the mean of its divisors is an integer number (269330044804).

Almost surely, 2^538660089607 is an apocalyptic number.

538660089607 is a deficient number, since it is larger than the sum of its proper divisors (1).

538660089607 is an equidigital number, since it uses as much as digits as its factorization.

538660089607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 538660089607 in words is "five hundred thirty-eight billion, six hundred sixty million, eighty-nine thousand, six hundred seven".