2949257443 has 4 divisors (see below), whose sum is σ = 3217371768. Its totient is φ = 2681143120.

The previous prime is 2949257429. The next prime is 2949257453. The reversal of 2949257443 is 3447529492.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2949257443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2949257453) 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, 134057146 + ... + 134057167.

It is an arithmetic number, because the mean of its divisors is an integer number (804342942).

Almost surely, 2^2949257443 is an apocalyptic number.

2949257443 is a deficient number, since it is larger than the sum of its proper divisors (268114325).

2949257443 is a wasteful number, since it uses less digits than its factorization.

2949257443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268114324.

The product of its digits is 2177280, while the sum is 49.

The square root of 2949257443 is about 54307.0662345150. The cubic root of 2949257443 is about 1434.0717963919.

The spelling of 2949257443 in words is "two billion, nine hundred forty-nine million, two hundred fifty-seven thousand, four hundred forty-three".