2729493290 has 8 divisors (see below), whose sum is σ = 4913087940. Its totient is φ = 1091797312.

The previous prime is 2729493229. The next prime is 2729493359. The reversal of 2729493290 is 923949272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2584603921 + 144889369 = 50839^2 + 12037^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136474655 + ... + 136474674.

Almost surely, 2^2729493290 is an apocalyptic number.

2729493290 is a deficient number, since it is larger than the sum of its proper divisors (2183594650).

2729493290 is a wasteful number, since it uses less digits than its factorization.

2729493290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272949336.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2729493290 is about 52244.5527304043. The cubic root of 2729493290 is about 1397.5285119785.

The spelling of 2729493290 in words is "two billion, seven hundred twenty-nine million, four hundred ninety-three thousand, two hundred ninety".