2042971449 has 8 divisors (see below), whose sum is σ = 2741312640. Its totient is φ = 1353305616.

The previous prime is 2042971433. The next prime is 2042971457. The reversal of 2042971449 is 9441792402.

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

It is not a de Polignac number, because 2042971449 - 2⁴ = 2042971433 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042971449.

It is not an unprimeable number, because it can be changed into a prime (2042971349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168289 + ... + 2169230.

It is an arithmetic number, because the mean of its divisors is an integer number (342664080).

Almost surely, 2^2042971449 is an apocalyptic number.

It is an amenable number.

2042971449 is a deficient number, since it is larger than the sum of its proper divisors (698341191).

2042971449 is a wasteful number, since it uses less digits than its factorization.

2042971449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337679.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2042971449 is about 45199.2416861168. The cubic root of 2042971449 is about 1268.8806242306.

The spelling of 2042971449 in words is "two billion, forty-two million, nine hundred seventy-one thousand, four hundred forty-nine".