53104891919 has 2 divisors, whose sum is σ = 53104891920. Its totient is φ = 53104891918.

The previous prime is 53104891891. The next prime is 53104891921. The reversal of 53104891919 is 91919840135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53104891919 is a prime.

It is a super-2 number, since 2×53104891919² (a number of 22 digits) contains 22 as substring.

Together with 53104891921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53104891999) 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, 26552445959 + 26552445960.

It is an arithmetic number, because the mean of its divisors is an integer number (26552445960).

Almost surely, 2^53104891919 is an apocalyptic number.

53104891919 is a deficient number, since it is larger than the sum of its proper divisors (1).

53104891919 is an equidigital number, since it uses as much as digits as its factorization.

53104891919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 53104891919 in words is "fifty-three billion, one hundred four million, eight hundred ninety-one thousand, nine hundred nineteen".