2943404946 has 16 divisors (see below), whose sum is σ = 6540900000. Its totient is φ = 981134964.

The previous prime is 2943404861. The next prime is 2943404951. The reversal of 2943404946 is 6494043492.

It is a super-2 number, since 2×2943404946² = 17327265352274525832, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 27253696 + ... + 27253803.

It is an arithmetic number, because the mean of its divisors is an integer number (408806250).

Almost surely, 2^2943404946 is an apocalyptic number.

2943404946 is an abundant number, since it is smaller than the sum of its proper divisors (3597495054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2943404946 is a wasteful number, since it uses less digits than its factorization.

2943404946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54507510 (or 54507504 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 2943404946 is about 54253.1560925261. The cubic root of 2943404946 is about 1433.1225790842.

The spelling of 2943404946 in words is "two billion, nine hundred forty-three million, four hundred four thousand, nine hundred forty-six".