2943040253 has 4 divisors (see below), whose sum is σ = 2957829600. Its totient is φ = 2928250908.

The previous prime is 2943040249. The next prime is 2943040259. The reversal of 2943040253 is 3520403492.

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 2943040253 - 2² = 2943040249 is a prime.

It is a super-2 number, since 2×2943040253² = 17322971861556608018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943040259) 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, 7394375 + ... + 7394772.

It is an arithmetic number, because the mean of its divisors is an integer number (739457400).

Almost surely, 2^2943040253 is an apocalyptic number.

It is an amenable number.

2943040253 is a deficient number, since it is larger than the sum of its proper divisors (14789347).

2943040253 is a wasteful number, since it uses less digits than its factorization.

2943040253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789346.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2943040253 is about 54249.7949581379. The cubic root of 2943040253 is about 1433.0633878448.

The spelling of 2943040253 in words is "two billion, nine hundred forty-three million, forty thousand, two hundred fifty-three".