2897940273 has 4 divisors (see below), whose sum is σ = 3863920368. Its totient is φ = 1931960180.

The previous prime is 2897940259. The next prime is 2897940289. The reversal of 2897940273 is 3720497982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2897940273 - 2¹⁰ = 2897939249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2897940673) 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 3 ways as a sum of consecutive naturals, for example, 482990043 + ... + 482990048.

It is an arithmetic number, because the mean of its divisors is an integer number (965980092).

Almost surely, 2^2897940273 is an apocalyptic number.

It is an amenable number.

2897940273 is a deficient number, since it is larger than the sum of its proper divisors (965980095).

2897940273 is an equidigital number, since it uses as much as digits as its factorization.

2897940273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965980094.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 2897940273 is about 53832.5205893241. The cubic root of 2897940273 is about 1425.7054511373.

The spelling of 2897940273 in words is "two billion, eight hundred ninety-seven million, nine hundred forty thousand, two hundred seventy-three".