25422419093 has 2 divisors, whose sum is σ = 25422419094. Its totient is φ = 25422419092.

The previous prime is 25422419069. The next prime is 25422419101. The reversal of 25422419093 is 39091422452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15554579524 + 9867839569 = 124718^2 + 99337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25422419093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25422419093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25422419003) 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, 12711209546 + 12711209547.

It is an arithmetic number, because the mean of its divisors is an integer number (12711209547).

Almost surely, 2^25422419093 is an apocalyptic number.

It is an amenable number.

25422419093 is a deficient number, since it is larger than the sum of its proper divisors (1).

25422419093 is an equidigital number, since it uses as much as digits as its factorization.

25422419093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 25422419093 in words is "twenty-five billion, four hundred twenty-two million, four hundred nineteen thousand, ninety-three".