2949245947 has 2 divisors, whose sum is σ = 2949245948. Its totient is φ = 2949245946.

The previous prime is 2949245881. The next prime is 2949245963. The reversal of 2949245947 is 7495429492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2949245947 - 2²⁷ = 2815028219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2949246947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474622973 + 1474622974.

It is an arithmetic number, because the mean of its divisors is an integer number (1474622974).

Almost surely, 2^2949245947 is an apocalyptic number.

2949245947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949245947 is an equidigital number, since it uses as much as digits as its factorization.

2949245947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The square root of 2949245947 is about 54306.9603918319. The cubic root of 2949245947 is about 1434.0699330855.

The spelling of 2949245947 in words is "two billion, nine hundred forty-nine million, two hundred forty-five thousand, nine hundred forty-seven".