2347448947 has 2 divisors, whose sum is σ = 2347448948. Its totient is φ = 2347448946.

The previous prime is 2347448933. The next prime is 2347448963. The reversal of 2347448947 is 7498447432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2347448947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2347448894 and 2347448903.

It is not a weakly prime, because it can be changed into another prime (2347442947) 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 as a sum of consecutive naturals, namely, 1173724473 + 1173724474.

It is an arithmetic number, because the mean of its divisors is an integer number (1173724474).

Almost surely, 2^2347448947 is an apocalyptic number.

2347448947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2347448947 is an equidigital number, since it uses as much as digits as its factorization.

2347448947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 52.

The square root of 2347448947 is about 48450.4793268343. The cubic root of 2347448947 is about 1329.0216384463.

The spelling of 2347448947 in words is "two billion, three hundred forty-seven million, four hundred forty-eight thousand, nine hundred forty-seven".