1946368447 has 2 divisors, whose sum is σ = 1946368448. Its totient is φ = 1946368446.

The previous prime is 1946368429. The next prime is 1946368481. The reversal of 1946368447 is 7448636491.

It is a weak prime.

It is an emirp because it is prime and its reverse (7448636491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1946368447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1946368394 and 1946368403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1946368547) 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, 973184223 + 973184224.

It is an arithmetic number, because the mean of its divisors is an integer number (973184224).

Almost surely, 2^1946368447 is an apocalyptic number.

1946368447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1946368447 is an equidigital number, since it uses as much as digits as its factorization.

1946368447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The square root of 1946368447 is about 44117.6659287411. The cubic root of 1946368447 is about 1248.5569367225.

The spelling of 1946368447 in words is "one billion, nine hundred forty-six million, three hundred sixty-eight thousand, four hundred forty-seven".