52112143849 has 2 divisors, whose sum is σ = 52112143850. Its totient is φ = 52112143848.

The previous prime is 52112143829. The next prime is 52112143873. The reversal of 52112143849 is 94834121125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39806235225 + 12305908624 = 199515^2 + 110932^2 .

It is a cyclic number.

It is not a de Polignac number, because 52112143849 - 2⁵ = 52112143817 is a prime.

It is not a weakly prime, because it can be changed into another prime (52112143819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26056071924 + 26056071925.

It is an arithmetic number, because the mean of its divisors is an integer number (26056071925).

Almost surely, 2^52112143849 is an apocalyptic number.

It is an amenable number.

52112143849 is a deficient number, since it is larger than the sum of its proper divisors (1).

52112143849 is an equidigital number, since it uses as much as digits as its factorization.

52112143849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The spelling of 52112143849 in words is "fifty-two billion, one hundred twelve million, one hundred forty-three thousand, eight hundred forty-nine".