2049363939 has 16 divisors (see below), whose sum is σ = 3124090112. Its totient is φ = 1170596448.

The previous prime is 2049363937. The next prime is 2049363949. The reversal of 2049363939 is 9393639402.

It is a happy number.

It is not a de Polignac number, because 2049363939 - 2¹ = 2049363937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049363937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38157 + ... + 74529.

It is an arithmetic number, because the mean of its divisors is an integer number (195255632).

Almost surely, 2^2049363939 is an apocalyptic number.

2049363939 is a deficient number, since it is larger than the sum of its proper divisors (1074726173).

2049363939 is a wasteful number, since it uses less digits than its factorization.

2049363939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39066.

The product of its (nonzero) digits is 944784, while the sum is 48.

The square root of 2049363939 is about 45269.9010270621. The cubic root of 2049363939 is about 1270.2026954463.

The spelling of 2049363939 in words is "two billion, forty-nine million, three hundred sixty-three thousand, nine hundred thirty-nine".