4872974947 has 2 divisors, whose sum is σ = 4872974948. Its totient is φ = 4872974946.

The previous prime is 4872974941. The next prime is 4872974959. The reversal of 4872974947 is 7494792784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4872974947 is a prime.

It is not a weakly prime, because it can be changed into another prime (4872974941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2436487473 + 2436487474.

It is an arithmetic number, because the mean of its divisors is an integer number (2436487474).

Almost surely, 2^4872974947 is an apocalyptic number.

4872974947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4872974947 is an equidigital number, since it uses as much as digits as its factorization.

4872974947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28449792, while the sum is 61.

The square root of 4872974947 is about 69806.6970068059. The cubic root of 4872974947 is about 1695.3709066688.

The spelling of 4872974947 in words is "four billion, eight hundred seventy-two million, nine hundred seventy-four thousand, nine hundred forty-seven".