14851809425 has 12 divisors (see below), whose sum is σ = 18426113436. Its totient is φ = 11875080000.

The previous prime is 14851809409. The next prime is 14851809451. The reversal of 14851809425 is 52490815841.

It is a Cunningham number, because it is equal to 121868²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 14851809424 = 1^2 + 121868^2 .

It is not a de Polignac number, because 14851809425 - 2⁴ = 14851809409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14851809425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111326 + ... + 205175.

It is an arithmetic number, because the mean of its divisors is an integer number (1535509453).

Almost surely, 2^14851809425 is an apocalyptic number.

It is an amenable number.

14851809425 is a deficient number, since it is larger than the sum of its proper divisors (3574304011).

14851809425 is a wasteful number, since it uses less digits than its factorization.

14851809425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318388 (or 318383 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 14851809425 in words is "fourteen billion, eight hundred fifty-one million, eight hundred nine thousand, four hundred twenty-five".