2943117820 has 24 divisors (see below), whose sum is σ = 6217563744. Its totient is φ = 1170196416.

The previous prime is 2943117799. The next prime is 2943117857. The reversal of 2943117820 is 287113492.

It is a self number, because there is not a number n which added to its sum of digits gives 2943117820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437247 + ... + 443926.

It is an arithmetic number, because the mean of its divisors is an integer number (259065156).

Almost surely, 2^2943117820 is an apocalyptic number.

2943117820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943117820 is an abundant number, since it is smaller than the sum of its proper divisors (3274445924).

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

2943117820 is a wasteful number, since it uses less digits than its factorization.

2943117820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881349 (or 881347 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2943117820 is about 54250.5098593552. The cubic root of 2943117820 is about 1433.0759777113.

The spelling of 2943117820 in words is "two billion, nine hundred forty-three million, one hundred seventeen thousand, eight hundred twenty".