38191112539 has 2 divisors, whose sum is σ = 38191112540. Its totient is φ = 38191112538.

The previous prime is 38191112513. The next prime is 38191112543. The reversal of 38191112539 is 93521119183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38191112539 is a prime.

It is a super-2 number, since 2×38191112539² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38191112495 and 38191112504.

It is not a weakly prime, because it can be changed into another prime (38191112549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19095556269 + 19095556270.

It is an arithmetic number, because the mean of its divisors is an integer number (19095556270).

Almost surely, 2^38191112539 is an apocalyptic number.

38191112539 is a deficient number, since it is larger than the sum of its proper divisors (1).

38191112539 is an equidigital number, since it uses as much as digits as its factorization.

38191112539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The spelling of 38191112539 in words is "thirty-eight billion, one hundred ninety-one million, one hundred twelve thousand, five hundred thirty-nine".