52105434839 has 2 divisors, whose sum is σ = 52105434840. Its totient is φ = 52105434838.

The previous prime is 52105434803. The next prime is 52105434853. The reversal of 52105434839 is 93843450125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52105434839 - 2⁸ = 52105434583 is a prime.

It is a super-2 number, since 2×52105434839² (a number of 22 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 52105434839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52105434239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26052717419 + 26052717420.

It is an arithmetic number, because the mean of its divisors is an integer number (26052717420).

Almost surely, 2^52105434839 is an apocalyptic number.

52105434839 is a deficient number, since it is larger than the sum of its proper divisors (1).

52105434839 is an equidigital number, since it uses as much as digits as its factorization.

52105434839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 52105434839 in words is "fifty-two billion, one hundred five million, four hundred thirty-four thousand, eight hundred thirty-nine".