2947512563 has 2 divisors, whose sum is σ = 2947512564. Its totient is φ = 2947512562.

The previous prime is 2947512553. The next prime is 2947512569. The reversal of 2947512563 is 3652157492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2947512563 - 2⁶ = 2947512499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2947512569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473756281 + 1473756282.

It is an arithmetic number, because the mean of its divisors is an integer number (1473756282).

Almost surely, 2^2947512563 is an apocalyptic number.

2947512563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947512563 is an equidigital number, since it uses as much as digits as its factorization.

2947512563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 2947512563 is about 54290.9989132637. The cubic root of 2947512563 is about 1433.7889255468.

The spelling of 2947512563 in words is "two billion, nine hundred forty-seven million, five hundred twelve thousand, five hundred sixty-three".