8100938519 has 2 divisors, whose sum is σ = 8100938520. Its totient is φ = 8100938518.

The previous prime is 8100938453. The next prime is 8100938621. The reversal of 8100938519 is 9158390018.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8100938519 is a prime.

It is a super-2 number, since 2×8100938519² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8100938519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8100938119) 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, 4050469259 + 4050469260.

It is an arithmetic number, because the mean of its divisors is an integer number (4050469260).

Almost surely, 2^8100938519 is an apocalyptic number.

8100938519 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100938519 is an equidigital number, since it uses as much as digits as its factorization.

8100938519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 8100938519 is about 90005.2138434213. The cubic root of 8100938519 is about 2008.3764121328.

The spelling of 8100938519 in words is "eight billion, one hundred million, nine hundred thirty-eight thousand, five hundred nineteen".