1447979311 has 2 divisors, whose sum is σ = 1447979312. Its totient is φ = 1447979310.

The previous prime is 1447979293. The next prime is 1447979327. The reversal of 1447979311 is 1139797441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1447979311 - 2¹¹ = 1447977263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447979371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723989655 + 723989656.

It is an arithmetic number, because the mean of its divisors is an integer number (723989656).

Almost surely, 2^1447979311 is an apocalyptic number.

1447979311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447979311 is an equidigital number, since it uses as much as digits as its factorization.

1447979311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The square root of 1447979311 is about 38052.3233324852. The cubic root of 1447979311 is about 1131.3251769948.

The spelling of 1447979311 in words is "one billion, four hundred forty-seven million, nine hundred seventy-nine thousand, three hundred eleven".