52136343109 has 2 divisors, whose sum is σ = 52136343110. Its totient is φ = 52136343108.

The previous prime is 52136343097. The next prime is 52136343131. The reversal of 52136343109 is 90134363125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39008225025 + 13128118084 = 197505^2 + 114578^2 .

It is a cyclic number.

It is not a de Polignac number, because 52136343109 - 2³³ = 43546408517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52136343199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26068171554 + 26068171555.

It is an arithmetic number, because the mean of its divisors is an integer number (26068171555).

Almost surely, 2^52136343109 is an apocalyptic number.

It is an amenable number.

52136343109 is a deficient number, since it is larger than the sum of its proper divisors (1).

52136343109 is an equidigital number, since it uses as much as digits as its factorization.

52136343109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 52136343109 in words is "fifty-two billion, one hundred thirty-six million, three hundred forty-three thousand, one hundred nine".