49227778945 has 16 divisors (see below), whose sum is σ = 61768385280. Its totient is φ = 37592558784.

The previous prime is 49227778933. The next prime is 49227778949. The reversal of 49227778945 is 54987772294.

It is a cyclic number.

It is not a de Polignac number, because 49227778945 - 2²⁹ = 48690908033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49227778949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383490 + ... + 495499.

It is an arithmetic number, because the mean of its divisors is an integer number (3860524080).

Almost surely, 2^49227778945 is an apocalyptic number.

It is an amenable number.

49227778945 is a deficient number, since it is larger than the sum of its proper divisors (12540606335).

49227778945 is a wasteful number, since it uses less digits than its factorization.

49227778945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879504.

The product of its digits is 71124480, while the sum is 64.

The spelling of 49227778945 in words is "forty-nine billion, two hundred twenty-seven million, seven hundred seventy-eight thousand, nine hundred forty-five".