1447254979 has 2 divisors, whose sum is σ = 1447254980. Its totient is φ = 1447254978.

The previous prime is 1447254961. The next prime is 1447255027. The reversal of 1447254979 is 9794527441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1447254979 - 2⁹ = 1447254467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1447251979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723627489 + 723627490.

It is an arithmetic number, because the mean of its divisors is an integer number (723627490).

Almost surely, 2^1447254979 is an apocalyptic number.

1447254979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447254979 is an equidigital number, since it uses as much as digits as its factorization.

1447254979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 1447254979 is about 38042.8045627554. The cubic root of 1447254979 is about 1131.1365021751.

The spelling of 1447254979 in words is "one billion, four hundred forty-seven million, two hundred fifty-four thousand, nine hundred seventy-nine".