25314641329 has 2 divisors, whose sum is σ = 25314641330. Its totient is φ = 25314641328.

The previous prime is 25314641311. The next prime is 25314641383. The reversal of 25314641329 is 92314641352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23515609104 + 1799032225 = 153348^2 + 42415^2 .

It is a cyclic number.

It is not a de Polignac number, because 25314641329 - 2⁷ = 25314641201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25314641291 and 25314641300.

It is not a weakly prime, because it can be changed into another prime (25314641399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12657320664 + 12657320665.

It is an arithmetic number, because the mean of its divisors is an integer number (12657320665).

Almost surely, 2^25314641329 is an apocalyptic number.

It is an amenable number.

25314641329 is a deficient number, since it is larger than the sum of its proper divisors (1).

25314641329 is an equidigital number, since it uses as much as digits as its factorization.

25314641329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The spelling of 25314641329 in words is "twenty-five billion, three hundred fourteen million, six hundred forty-one thousand, three hundred twenty-nine".