2049444663 has 16 divisors (see below), whose sum is σ = 3153286656. Its totient is φ = 1159740000.

The previous prime is 2049444659. The next prime is 2049444713. The reversal of 2049444663 is 3664449402.

It is a happy number.

It is not a de Polignac number, because 2049444663 - 2² = 2049444659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049444653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471588 + ... + 475913.

It is an arithmetic number, because the mean of its divisors is an integer number (197080416).

Almost surely, 2^2049444663 is an apocalyptic number.

2049444663 is a deficient number, since it is larger than the sum of its proper divisors (1103841993).

2049444663 is a wasteful number, since it uses less digits than its factorization.

2049444663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947614.

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 2049444663 is about 45270.7926040621. The cubic root of 2049444663 is about 1270.2193728967.

The spelling of 2049444663 in words is "two billion, forty-nine million, four hundred forty-four thousand, six hundred sixty-three".