2729668539 has 8 divisors (see below), whose sum is σ = 3919524112. Its totient is φ = 1679796000.

The previous prime is 2729668519. The next prime is 2729668541. The reversal of 2729668539 is 9358669272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2729668539 - 2⁹ = 2729668027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2729668519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34995712 + ... + 34995789.

It is an arithmetic number, because the mean of its divisors is an integer number (489940514).

Almost surely, 2^2729668539 is an apocalyptic number.

2729668539 is a deficient number, since it is larger than the sum of its proper divisors (1189855573).

2729668539 is a wasteful number, since it uses less digits than its factorization.

2729668539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69991517.

The product of its digits is 9797760, while the sum is 57.

The square root of 2729668539 is about 52246.2299022618. The cubic root of 2729668539 is about 1397.5584210992.

The spelling of 2729668539 in words is "two billion, seven hundred twenty-nine million, six hundred sixty-eight thousand, five hundred thirty-nine".