2943738964 has 12 divisors (see below), whose sum is σ = 5153721664. Its totient is φ = 1471247064.

The previous prime is 2943738961. The next prime is 2943738971. The reversal of 2943738964 is 4698373492.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943738961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144882 + ... + 163945.

Almost surely, 2^2943738964 is an apocalyptic number.

It is an amenable number.

2943738964 is a deficient number, since it is larger than the sum of its proper divisors (2209982700).

2943738964 is a wasteful number, since it uses less digits than its factorization.

2943738964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311214 (or 311212 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 55.

The square root of 2943738964 is about 54256.2343330239. The cubic root of 2943738964 is about 1433.1767873498.

The spelling of 2943738964 in words is "two billion, nine hundred forty-three million, seven hundred thirty-eight thousand, nine hundred sixty-four".