49665239203 has 16 divisors (see below), whose sum is σ = 52717547520. Its totient is φ = 46627632256.

The previous prime is 49665239131. The next prime is 49665239207. The reversal of 49665239203 is 30293256694.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 49665239203 - 2⁹ = 49665238691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49665239207) 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, 15680526 + ... + 15683692.

It is an arithmetic number, because the mean of its divisors is an integer number (3294846720).

Almost surely, 2^49665239203 is an apocalyptic number.

49665239203 is a deficient number, since it is larger than the sum of its proper divisors (3052308317).

49665239203 is a wasteful number, since it uses less digits than its factorization.

49665239203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 49665239203 in words is "forty-nine billion, six hundred sixty-five million, two hundred thirty-nine thousand, two hundred three".