25621725743 has 2 divisors, whose sum is σ = 25621725744. Its totient is φ = 25621725742.

The previous prime is 25621725737. The next prime is 25621725761. The reversal of 25621725743 is 34752712652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25621725743 - 2³² = 21326758447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25621725694 and 25621725703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25621725793) 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, 12810862871 + 12810862872.

It is an arithmetic number, because the mean of its divisors is an integer number (12810862872).

Almost surely, 2^25621725743 is an apocalyptic number.

25621725743 is a deficient number, since it is larger than the sum of its proper divisors (1).

25621725743 is an equidigital number, since it uses as much as digits as its factorization.

25621725743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 44.

The spelling of 25621725743 in words is "twenty-five billion, six hundred twenty-one million, seven hundred twenty-five thousand, seven hundred forty-three".