1448947667 has 4 divisors (see below), whose sum is σ = 1484287896. Its totient is φ = 1413607440.

The previous prime is 1448947663. The next prime is 1448947681. The reversal of 1448947667 is 7667498441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7667498441 = 2027 ⋅3782683.

It is a cyclic number.

It is not a de Polignac number, because 1448947667 - 2² = 1448947663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448947663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17670053 + ... + 17670134.

It is an arithmetic number, because the mean of its divisors is an integer number (371071974).

Almost surely, 2^1448947667 is an apocalyptic number.

1448947667 is a deficient number, since it is larger than the sum of its proper divisors (35340229).

1448947667 is an equidigital number, since it uses as much as digits as its factorization.

1448947667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340228.

The product of its digits is 8128512, while the sum is 56.

The square root of 1448947667 is about 38065.0452121103. The cubic root of 1448947667 is about 1131.5773171991.

The spelling of 1448947667 in words is "one billion, four hundred forty-eight million, nine hundred forty-seven thousand, six hundred sixty-seven".