2729858049 has 12 divisors (see below), whose sum is σ = 3948012900. Its totient is φ = 1817650944.

The previous prime is 2729858009. The next prime is 2729858069. The reversal of 2729858049 is 9408589272.

It can be written as a sum of positive squares in 2 ways, for example, as 1797166449 + 932691600 = 42393^2 + 30540^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2729858049 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2729857986 and 2729858004.

It is not an unprimeable number, because it can be changed into a prime (2729858009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180184 + ... + 194745.

It is an arithmetic number, because the mean of its divisors is an integer number (329001075).

Almost surely, 2^2729858049 is an apocalyptic number.

It is an amenable number.

2729858049 is a deficient number, since it is larger than the sum of its proper divisors (1218154851).

2729858049 is a wasteful number, since it uses less digits than its factorization.

2729858049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375744 (or 375741 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 2729858049 is about 52248.0434944697. The cubic root of 2729858049 is about 1397.5907626532.

The spelling of 2729858049 in words is "two billion, seven hundred twenty-nine million, eight hundred fifty-eight thousand, forty-nine".