53345514919 has 2 divisors, whose sum is σ = 53345514920. Its totient is φ = 53345514918.

The previous prime is 53345514917. The next prime is 53345514923. The reversal of 53345514919 is 91941554335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53345514919 - 2¹ = 53345514917 is a prime.

It is a super-2 number, since 2×53345514919² (a number of 22 digits) contains 22 as substring.

Together with 53345514917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53345514917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26672757459 + 26672757460.

It is an arithmetic number, because the mean of its divisors is an integer number (26672757460).

Almost surely, 2^53345514919 is an apocalyptic number.

53345514919 is a deficient number, since it is larger than the sum of its proper divisors (1).

53345514919 is an equidigital number, since it uses as much as digits as its factorization.

53345514919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 49.

The spelling of 53345514919 in words is "fifty-three billion, three hundred forty-five million, five hundred fourteen thousand, nine hundred nineteen".