18025710349 has 2 divisors, whose sum is σ = 18025710350. Its totient is φ = 18025710348.

The previous prime is 18025710289. The next prime is 18025710361. The reversal of 18025710349 is 94301752081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11708322025 + 6317388324 = 108205^2 + 79482^2 .

It is a cyclic number.

It is not a de Polignac number, because 18025710349 - 2³¹ = 15878226701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18025710049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9012855174 + 9012855175.

It is an arithmetic number, because the mean of its divisors is an integer number (9012855175).

Almost surely, 2^18025710349 is an apocalyptic number.

It is an amenable number.

18025710349 is a deficient number, since it is larger than the sum of its proper divisors (1).

18025710349 is an equidigital number, since it uses as much as digits as its factorization.

18025710349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 18025710349 in words is "eighteen billion, twenty-five million, seven hundred ten thousand, three hundred forty-nine".