25052943389 has 2 divisors, whose sum is σ = 25052943390. Its totient is φ = 25052943388.

The previous prime is 25052943323. The next prime is 25052943463. The reversal of 25052943389 is 98334925052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22632795364 + 2420148025 = 150442^2 + 49195^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052943389 - 2¹² = 25052939293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25052943089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526471694 + 12526471695.

It is an arithmetic number, because the mean of its divisors is an integer number (12526471695).

Almost surely, 2^25052943389 is an apocalyptic number.

It is an amenable number.

25052943389 is a deficient number, since it is larger than the sum of its proper divisors (1).

25052943389 is an equidigital number, since it uses as much as digits as its factorization.

25052943389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 25052943389 in words is "twenty-five billion, fifty-two million, nine hundred forty-three thousand, three hundred eighty-nine".