14542128449 has 2 divisors, whose sum is σ = 14542128450. Its totient is φ = 14542128448.

The previous prime is 14542128421. The next prime is 14542128493. The reversal of 14542128449 is 94482124541.

It is an a-pointer prime, because the next prime (14542128493) can be obtained adding 14542128449 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9152366224 + 5389762225 = 95668^2 + 73415^2 .

It is a cyclic number.

It is not a de Polignac number, because 14542128449 - 2¹² = 14542124353 is a prime.

It is a super-2 number, since 2×14542128449² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14542128949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7271064224 + 7271064225.

It is an arithmetic number, because the mean of its divisors is an integer number (7271064225).

Almost surely, 2^14542128449 is an apocalyptic number.

It is an amenable number.

14542128449 is a deficient number, since it is larger than the sum of its proper divisors (1).

14542128449 is an equidigital number, since it uses as much as digits as its factorization.

14542128449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 44.

The spelling of 14542128449 in words is "fourteen billion, five hundred forty-two million, one hundred twenty-eight thousand, four hundred forty-nine".