2729939629 has 8 divisors (see below), whose sum is σ = 2740260600. Its totient is φ = 2719635456.

The previous prime is 2729939603. The next prime is 2729939633. The reversal of 2729939629 is 9269399272.

It can be written as a sum of positive squares in 4 ways, for example, as 604914025 + 2125025604 = 24595^2 + 46098^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2729939629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729939659) 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, 387789 + ... + 394765.

It is an arithmetic number, because the mean of its divisors is an integer number (342532575).

Almost surely, 2^2729939629 is an apocalyptic number.

It is an amenable number.

2729939629 is a deficient number, since it is larger than the sum of its proper divisors (10320971).

2729939629 is a wasteful number, since it uses less digits than its factorization.

2729939629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399.

The product of its digits is 6613488, while the sum is 58.

The square root of 2729939629 is about 52248.8241877269. The cubic root of 2729939629 is about 1397.6046845393.

The spelling of 2729939629 in words is "two billion, seven hundred twenty-nine million, nine hundred thirty-nine thousand, six hundred twenty-nine".