52168451329 has 2 divisors, whose sum is σ = 52168451330. Its totient is φ = 52168451328.

The previous prime is 52168451311. The next prime is 52168451341. The reversal of 52168451329 is 92315486125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49705810704 + 2462640625 = 222948^2 + 49625^2 .

It is a cyclic number.

It is not a de Polignac number, because 52168451329 - 2⁷ = 52168451201 is a prime.

It is not a weakly prime, because it can be changed into another prime (52168451369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26084225664 + 26084225665.

It is an arithmetic number, because the mean of its divisors is an integer number (26084225665).

Almost surely, 2^52168451329 is an apocalyptic number.

It is an amenable number.

52168451329 is a deficient number, since it is larger than the sum of its proper divisors (1).

52168451329 is an equidigital number, since it uses as much as digits as its factorization.

52168451329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The spelling of 52168451329 in words is "fifty-two billion, one hundred sixty-eight million, four hundred fifty-one thousand, three hundred twenty-nine".