2729643964 has 24 divisors (see below), whose sum is σ = 5062659840. Its totient is φ = 1283321856.

The previous prime is 2729643941. The next prime is 2729643967. The reversal of 2729643964 is 4693469272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729643967) by changing a digit.

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, 55452 + ... + 92380.

It is an arithmetic number, because the mean of its divisors is an integer number (210944160).

Almost surely, 2^2729643964 is an apocalyptic number.

It is an amenable number.

2729643964 is a deficient number, since it is larger than the sum of its proper divisors (2333015876).

2729643964 is a wasteful number, since it uses less digits than its factorization.

2729643964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38037 (or 38035 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 52.

The square root of 2729643964 is about 52245.9947172987. The cubic root of 2729643964 is about 1397.5542270489.

The spelling of 2729643964 in words is "two billion, seven hundred twenty-nine million, six hundred forty-three thousand, nine hundred sixty-four".