538686358619 has 2 divisors, whose sum is σ = 538686358620. Its totient is φ = 538686358618.

The previous prime is 538686358607. The next prime is 538686358711. The reversal of 538686358619 is 916853686835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538686358619 is a prime.

It is a super-2 number, since 2×538686358619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (538686357619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269343179309 + 269343179310.

It is an arithmetic number, because the mean of its divisors is an integer number (269343179310).

Almost surely, 2^538686358619 is an apocalyptic number.

538686358619 is a deficient number, since it is larger than the sum of its proper divisors (1).

538686358619 is an equidigital number, since it uses as much as digits as its factorization.

538686358619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 223948800, while the sum is 68.

The spelling of 538686358619 in words is "five hundred thirty-eight billion, six hundred eighty-six million, three hundred fifty-eight thousand, six hundred nineteen".