2729980273 has 4 divisors (see below), whose sum is σ = 2731550068. Its totient is φ = 2728410480.

The previous prime is 2729980261. The next prime is 2729980277. The reversal of 2729980273 is 3720899272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47983329 + 2681996944 = 6927^2 + 51788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729980273 - 2¹⁷ = 2729849201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2729980277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782286 + ... + 785767.

It is an arithmetic number, because the mean of its divisors is an integer number (682887517).

Almost surely, 2^2729980273 is an apocalyptic number.

It is an amenable number.

2729980273 is a deficient number, since it is larger than the sum of its proper divisors (1569795).

2729980273 is a wasteful number, since it uses less digits than its factorization.

2729980273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569794.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 2729980273 is about 52249.2131328310. The cubic root of 2729980273 is about 1397.6116204635.

The spelling of 2729980273 in words is "two billion, seven hundred twenty-nine million, nine hundred eighty thousand, two hundred seventy-three".