1449490312297 has 2 divisors, whose sum is σ = 1449490312298. Its totient is φ = 1449490312296.

The previous prime is 1449490312141. The next prime is 1449490312399. The reversal of 1449490312297 is 7922130949441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1242843699241 + 206646613056 = 1114829^2 + 454584^2 .

It is an emirp because it is prime and its reverse (7922130949441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1449490312297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1449490312997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724745156148 + 724745156149.

It is an arithmetic number, because the mean of its divisors is an integer number (724745156149).

Almost surely, 2^{1449490312297} is an apocalyptic number.

It is an amenable number.

1449490312297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449490312297 is an equidigital number, since it uses as much as digits as its factorization.

1449490312297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 1449490312297 in words is "one trillion, four hundred forty-nine billion, four hundred ninety million, three hundred twelve thousand, two hundred ninety-seven".