49233861911 has 4 divisors (see below), whose sum is σ = 53021082072. Its totient is φ = 45446641752.

The previous prime is 49233861907. The next prime is 49233861949. The reversal of 49233861911 is 11916833294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49233861911 - 2² = 49233861907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49233861961) 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 3 ways as a sum of consecutive naturals, for example, 1893610061 + ... + 1893610086.

It is an arithmetic number, because the mean of its divisors is an integer number (13255270518).

Almost surely, 2^49233861911 is an apocalyptic number.

49233861911 is a deficient number, since it is larger than the sum of its proper divisors (3787220161).

49233861911 is a wasteful number, since it uses less digits than its factorization.

49233861911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787220160.

The product of its digits is 279936, while the sum is 47.

The spelling of 49233861911 in words is "forty-nine billion, two hundred thirty-three million, eight hundred sixty-one thousand, nine hundred eleven".