2042955249 has 4 divisors (see below), whose sum is σ = 2723940336. Its totient is φ = 1361970164.

The previous prime is 2042955203. The next prime is 2042955287. The reversal of 2042955249 is 9425592402.

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 2042955249 - 2¹² = 2042951153 is a prime.

It is a super-2 number, since 2×2042955249² = 8347332298833304002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2042955249.

It is not an unprimeable number, because it can be changed into a prime (2042955049) 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, 340492539 + ... + 340492544.

It is an arithmetic number, because the mean of its divisors is an integer number (680985084).

Almost surely, 2^2042955249 is an apocalyptic number.

It is an amenable number.

2042955249 is a deficient number, since it is larger than the sum of its proper divisors (680985087).

2042955249 is an equidigital number, since it uses as much as digits as its factorization.

2042955249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680985086.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 2042955249 is about 45199.0624792152. The cubic root of 2042955249 is about 1268.8772703054.

The spelling of 2042955249 in words is "two billion, forty-two million, nine hundred fifty-five thousand, two hundred forty-nine".