1038590686591 has 2 divisors, whose sum is σ = 1038590686592. Its totient is φ = 1038590686590.

The previous prime is 1038590686559. The next prime is 1038590686603. The reversal of 1038590686591 is 1956860958301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1038590686591 - 2⁵ = 1038590686559 is a prime.

It is a super-2 number, since 2×1038590686591² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1038590686891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519295343295 + 519295343296.

It is an arithmetic number, because the mean of its divisors is an integer number (519295343296).

Almost surely, 2^{1038590686591} is an apocalyptic number.

1038590686591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038590686591 is an equidigital number, since it uses as much as digits as its factorization.

1038590686591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 61.

The spelling of 1038590686591 in words is "one trillion, thirty-eight billion, five hundred ninety million, six hundred eighty-six thousand, five hundred ninety-one".