140443233633449 has 2 divisors, whose sum is σ = 140443233633450. Its totient is φ = 140443233633448.

The previous prime is 140443233633421. The next prime is 140443233633473. The reversal of 140443233633449 is 944336332344041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70932779065600 + 69510454567849 = 8422160^2 + 8337293^2 .

It is a cyclic number.

It is not a de Polignac number, because 140443233633449 - 2²⁴ = 140443216856233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140443233633449.

It is not a weakly prime, because it can be changed into another prime (140443233633499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221616816724 + 70221616816725.

It is an arithmetic number, because the mean of its divisors is an integer number (70221616816725).

Almost surely, 2^{140443233633449} is an apocalyptic number.

It is an amenable number.

140443233633449 is a deficient number, since it is larger than the sum of its proper divisors (1).

140443233633449 is an equidigital number, since it uses as much as digits as its factorization.

140443233633449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 53.

The spelling of 140443233633449 in words is "one hundred forty trillion, four hundred forty-three billion, two hundred thirty-three million, six hundred thirty-three thousand, four hundred forty-nine".