14425513649 has 2 divisors, whose sum is σ = 14425513650. Its totient is φ = 14425513648.

The previous prime is 14425513637. The next prime is 14425513667. The reversal of 14425513649 is 94631552441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14361625600 + 63888049 = 119840^2 + 7993^2 .

It is an emirp because it is prime and its reverse (94631552441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14425513649 - 2⁴ = 14425513633 is a prime.

It is not a weakly prime, because it can be changed into another prime (14425513699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7212756824 + 7212756825.

It is an arithmetic number, because the mean of its divisors is an integer number (7212756825).

Almost surely, 2^14425513649 is an apocalyptic number.

It is an amenable number.

14425513649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14425513649 is an equidigital number, since it uses as much as digits as its factorization.

14425513649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The spelling of 14425513649 in words is "fourteen billion, four hundred twenty-five million, five hundred thirteen thousand, six hundred forty-nine".