7294489847 has 2 divisors, whose sum is σ = 7294489848. Its totient is φ = 7294489846.

The previous prime is 7294489841. The next prime is 7294489849. The reversal of 7294489847 is 7489844927.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7489844927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7294489847 - 2²² = 7290295543 is a prime.

Together with 7294489849, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7294489847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7294489841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3647244923 + 3647244924.

It is an arithmetic number, because the mean of its divisors is an integer number (3647244924).

Almost surely, 2^7294489847 is an apocalyptic number.

7294489847 is a deficient number, since it is larger than the sum of its proper divisors (1).

7294489847 is an equidigital number, since it uses as much as digits as its factorization.

7294489847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 62.

The square root of 7294489847 is about 85407.7856345661. The cubic root of 7294489847 is about 1939.3892085576.

The spelling of 7294489847 in words is "seven billion, two hundred ninety-four million, four hundred eighty-nine thousand, eight hundred forty-seven".