2851942547 has 2 divisors, whose sum is σ = 2851942548. Its totient is φ = 2851942546.

The previous prime is 2851942543. The next prime is 2851942603. The reversal of 2851942547 is 7452491582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2851942547 - 2² = 2851942543 is a prime.

It is not a weakly prime, because it can be changed into another prime (2851942543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425971273 + 1425971274.

It is an arithmetic number, because the mean of its divisors is an integer number (1425971274).

Almost surely, 2^2851942547 is an apocalyptic number.

2851942547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851942547 is an equidigital number, since it uses as much as digits as its factorization.

2851942547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The square root of 2851942547 is about 53403.5817806259. The cubic root of 2851942547 is about 1418.1219878502.

The spelling of 2851942547 in words is "two billion, eight hundred fifty-one million, nine hundred forty-two thousand, five hundred forty-seven".