2942819845 has 16 divisors (see below), whose sum is σ = 4248282240. Its totient is φ = 1911726144.

The previous prime is 2942819839. The next prime is 2942819851. The reversal of 2942819845 is 5489182492.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2942819839) and next prime (2942819851).

It is a cyclic number.

It is not a de Polignac number, because 2942819845 - 2⁷ = 2942819717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2942819792 and 2942819801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211982 + ... + 2213311.

It is an arithmetic number, because the mean of its divisors is an integer number (265517640).

Almost surely, 2^2942819845 is an apocalyptic number.

It is an amenable number.

2942819845 is a deficient number, since it is larger than the sum of its proper divisors (1305462395).

2942819845 is a wasteful number, since it uses less digits than its factorization.

2942819845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425324.

The product of its digits is 1658880, while the sum is 52.

The square root of 2942819845 is about 54247.7635022864. The cubic root of 2942819845 is about 1433.0276123096.

The spelling of 2942819845 in words is "two billion, nine hundred forty-two million, eight hundred nineteen thousand, eight hundred forty-five".