2043449345 has 32 divisors (see below), whose sum is σ = 2842076160. Its totient is φ = 1381501440.

The previous prime is 2043449333. The next prime is 2043449461. The reversal of 2043449345 is 5439443402.

It is a happy number.

It is not a de Polignac number, because 2043449345 - 2²² = 2039255041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043449299 and 2043449308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1435304 + ... + 1436726.

It is an arithmetic number, because the mean of its divisors is an integer number (88814880).

Almost surely, 2^2043449345 is an apocalyptic number.

It is an amenable number.

2043449345 is a deficient number, since it is larger than the sum of its proper divisors (798626815).

2043449345 is a wasteful number, since it uses less digits than its factorization.

2043449345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2043449345 is about 45204.5279258616. The cubic root of 2043449345 is about 1268.9795562214.

The spelling of 2043449345 in words is "two billion, forty-three million, four hundred forty-nine thousand, three hundred forty-five".