8942973047 has 2 divisors, whose sum is σ = 8942973048. Its totient is φ = 8942973046.

The previous prime is 8942972989. The next prime is 8942973077. The reversal of 8942973047 is 7403792498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8942973047 - 2²⁰ = 8941924471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8942973047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8942973077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471486523 + 4471486524.

It is an arithmetic number, because the mean of its divisors is an integer number (4471486524).

Almost surely, 2^8942973047 is an apocalyptic number.

8942973047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8942973047 is an equidigital number, since it uses as much as digits as its factorization.

8942973047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 8942973047 is about 94567.2937489490. The cubic root of 8942973047 is about 2075.6811464483.

The spelling of 8942973047 in words is "eight billion, nine hundred forty-two million, nine hundred seventy-three thousand, forty-seven".