49277421187 has 4 divisors (see below), whose sum is σ = 49299451776. Its totient is φ = 49255390600.

The previous prime is 49277421131. The next prime is 49277421217. The reversal of 49277421187 is 78112477294.

49277421187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49277421187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49277427187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11011939 + ... + 11016412.

It is an arithmetic number, because the mean of its divisors is an integer number (12324862944).

Almost surely, 2^49277421187 is an apocalyptic number.

49277421187 is a deficient number, since it is larger than the sum of its proper divisors (22030589).

49277421187 is a wasteful number, since it uses less digits than its factorization.

49277421187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22030588.

The product of its digits is 1580544, while the sum is 52.

The spelling of 49277421187 in words is "forty-nine billion, two hundred seventy-seven million, four hundred twenty-one thousand, one hundred eighty-seven".