53105069819 has 2 divisors, whose sum is σ = 53105069820. Its totient is φ = 53105069818.

The previous prime is 53105069791. The next prime is 53105069827. The reversal of 53105069819 is 91896050135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53105069819 is a prime.

It is a super-2 number, since 2×53105069819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53105069879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26552534909 + 26552534910.

It is an arithmetic number, because the mean of its divisors is an integer number (26552534910).

Almost surely, 2^53105069819 is an apocalyptic number.

53105069819 is a deficient number, since it is larger than the sum of its proper divisors (1).

53105069819 is an equidigital number, since it uses as much as digits as its factorization.

53105069819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 53105069819 in words is "fifty-three billion, one hundred five million, sixty-nine thousand, eight hundred nineteen".