2049392049 has 8 divisors (see below), whose sum is σ = 2733041472. Its totient is φ = 1366002000.

The previous prime is 2049392029. The next prime is 2049392057. The reversal of 2049392049 is 9402939402.

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

It is not a de Polignac number, because 2049392049 - 2¹³ = 2049383857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2049392049.

It is not an unprimeable number, because it can be changed into a prime (2049392029) 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, 45589 + ... + 78594.

It is an arithmetic number, because the mean of its divisors is an integer number (341630184).

Almost surely, 2^2049392049 is an apocalyptic number.

It is an amenable number.

2049392049 is a deficient number, since it is larger than the sum of its proper divisors (683649423).

2049392049 is a wasteful number, since it uses less digits than its factorization.

2049392049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129687.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2049392049 is about 45270.2114971865. The cubic root of 2049392049 is about 1270.2085029774.

The spelling of 2049392049 in words is "two billion, forty-nine million, three hundred ninety-two thousand, forty-nine".