2942650849 has 2 divisors, whose sum is σ = 2942650850. Its totient is φ = 2942650848.

The previous prime is 2942650847. The next prime is 2942650883. The reversal of 2942650849 is 9480562492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2933305600 + 9345249 = 54160^2 + 3057^2 .

It is a cyclic number.

It is not a de Polignac number, because 2942650849 - 2¹ = 2942650847 is a prime.

Together with 2942650847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2942650847) 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, 1471325424 + 1471325425.

It is an arithmetic number, because the mean of its divisors is an integer number (1471325425).

Almost surely, 2^2942650849 is an apocalyptic number.

It is an amenable number.

2942650849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942650849 is an equidigital number, since it uses as much as digits as its factorization.

2942650849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 2942650849 is about 54246.2058488886. The cubic root of 2942650849 is about 1433.0001805058. Note that the first 3 decimals are identical.

The spelling of 2942650849 in words is "two billion, nine hundred forty-two million, six hundred fifty thousand, eight hundred forty-nine".