2729675643 has 32 divisors (see below), whose sum is σ = 3806330880. Its totient is φ = 1738104480.

The previous prime is 2729675623. The next prime is 2729675653. The reversal of 2729675643 is 3465769272.

It is not a de Polignac number, because 2729675643 - 2⁶ = 2729675579 is a prime.

It is a super-2 number, since 2×2729675643² = 14902258231974926898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2729675623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2822346 + ... + 2823312.

It is an arithmetic number, because the mean of its divisors is an integer number (118947840).

Almost surely, 2^2729675643 is an apocalyptic number.

2729675643 is a deficient number, since it is larger than the sum of its proper divisors (1076655237).

2729675643 is a wasteful number, since it uses less digits than its factorization.

2729675643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its digits is 3810240, while the sum is 51.

The square root of 2729675643 is about 52246.2978879844. The cubic root of 2729675643 is about 1397.5596334865.

The spelling of 2729675643 in words is "two billion, seven hundred twenty-nine million, six hundred seventy-five thousand, six hundred forty-three".