2943518138 has 32 divisors (see below), whose sum is σ = 5020434432. Its totient is φ = 1282201200.

The previous prime is 2943518131. The next prime is 2943518143. The reversal of 2943518138 is 8318153492.

It is not an unprimeable number, because it can be changed into a prime (2943518131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49295 + ... + 91197.

It is an arithmetic number, because the mean of its divisors is an integer number (156888576).

Almost surely, 2^2943518138 is an apocalyptic number.

2943518138 is a deficient number, since it is larger than the sum of its proper divisors (2076916294).

2943518138 is a wasteful number, since it uses less digits than its factorization.

2943518138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42050.

The product of its digits is 207360, while the sum is 44.

The square root of 2943518138 is about 54254.1992660476. The cubic root of 2943518138 is about 1433.1409496374.

The spelling of 2943518138 in words is "two billion, nine hundred forty-three million, five hundred eighteen thousand, one hundred thirty-eight".