1449648311 has 2 divisors, whose sum is σ = 1449648312. Its totient is φ = 1449648310.

The previous prime is 1449648289. The next prime is 1449648331. The reversal of 1449648311 is 1138469441.

It is a strong prime.

It is an emirp because it is prime and its reverse (1138469441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1449648311 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449648331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724824155 + 724824156.

It is an arithmetic number, because the mean of its divisors is an integer number (724824156).

Almost surely, 2^1449648311 is an apocalyptic number.

1449648311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449648311 is an equidigital number, since it uses as much as digits as its factorization.

1449648311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 1449648311 is about 38074.2473464677. The cubic root of 1449648311 is about 1131.7596806062.

The spelling of 1449648311 in words is "one billion, four hundred forty-nine million, six hundred forty-eight thousand, three hundred eleven".