49786716538289 has 16 divisors (see below), whose sum is σ = 51223015345920. Its totient is φ = 48370833244800.

The previous prime is 49786716538283. The next prime is 49786716538337. The reversal of 49786716538289 is 98283561768794.

It is a cyclic number.

It is not a de Polignac number, because 49786716538289 - 2¹² = 49786716534193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49786716538283) 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, 431822552 + ... + 431937830.

It is an arithmetic number, because the mean of its divisors is an integer number (3201438459120).

Almost surely, 2^{49786716538289} is an apocalyptic number.

It is an amenable number.

49786716538289 is a deficient number, since it is larger than the sum of its proper divisors (1436298807631).

49786716538289 is a wasteful number, since it uses less digits than its factorization.

49786716538289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203720.

The product of its digits is 8778792960, while the sum is 83.

The spelling of 49786716538289 in words is "forty-nine trillion, seven hundred eighty-six billion, seven hundred sixteen million, five hundred thirty-eight thousand, two hundred eighty-nine".