25389100645079 has 2 divisors, whose sum is σ = 25389100645080. Its totient is φ = 25389100645078.

The previous prime is 25389100645063. The next prime is 25389100645087. The reversal of 25389100645079 is 97054600198352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25389100645079 - 2⁴ = 25389100645063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25389100675079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12694550322539 + 12694550322540.

It is an arithmetic number, because the mean of its divisors is an integer number (12694550322540).

It is a 1-persistent number, because it is pandigital, but 2⋅25389100645079 = 50778201290158 is not.

Almost surely, 2^{25389100645079} is an apocalyptic number.

25389100645079 is a deficient number, since it is larger than the sum of its proper divisors (1).

25389100645079 is an equidigital number, since it uses as much as digits as its factorization.

25389100645079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 25389100645079 in words is "twenty-five trillion, three hundred eighty-nine billion, one hundred million, six hundred forty-five thousand, seventy-nine".