49567643787 has 8 divisors (see below), whose sum is σ = 66995537104. Its totient is φ = 32592423168.

The previous prime is 49567643779. The next prime is 49567643809. The reversal of 49567643787 is 78734676594.

49567643787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49567643787 - 2³ = 49567643779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49567643737) 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, 113167918 + ... + 113168355.

It is an arithmetic number, because the mean of its divisors is an integer number (8374442138).

Almost surely, 2^49567643787 is an apocalyptic number.

49567643787 is a deficient number, since it is larger than the sum of its proper divisors (17427893317).

49567643787 is a wasteful number, since it uses less digits than its factorization.

49567643787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226336349.

The product of its digits is 213373440, while the sum is 66.

The spelling of 49567643787 in words is "forty-nine billion, five hundred sixty-seven million, six hundred forty-three thousand, seven hundred eighty-seven".