25042234079 has 2 divisors, whose sum is σ = 25042234080. Its totient is φ = 25042234078.

The previous prime is 25042234067. The next prime is 25042234117. The reversal of 25042234079 is 97043224052.

It is a happy number.

It is an a-pointer prime, because the next prime (25042234117) can be obtained adding 25042234079 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25042234079 - 2¹² = 25042229983 is a prime.

It is a super-2 number, since 2×25042234079² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25042234039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521117039 + 12521117040.

It is an arithmetic number, because the mean of its divisors is an integer number (12521117040).

Almost surely, 2^25042234079 is an apocalyptic number.

25042234079 is a deficient number, since it is larger than the sum of its proper divisors (1).

25042234079 is an equidigital number, since it uses as much as digits as its factorization.

25042234079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 25042234079 in words is "twenty-five billion, forty-two million, two hundred thirty-four thousand, seventy-nine".