49792854481921 has 4 divisors (see below), whose sum is σ = 52721845922052. Its totient is φ = 46863863041792.

The previous prime is 49792854481919. The next prime is 49792854481957. The reversal of 49792854481921 is 12918445829794.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36705361665025 + 13087492816896 = 6058495^2 + 3617664^2 .

It is a cyclic number.

It is not a de Polignac number, because 49792854481921 - 2¹ = 49792854481919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49792854487921) 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, 1464495720040 + ... + 1464495720073.

It is an arithmetic number, because the mean of its divisors is an integer number (13180461480513).

Almost surely, 2^{49792854481921} is an apocalyptic number.

It is an amenable number.

49792854481921 is a deficient number, since it is larger than the sum of its proper divisors (2928991440131).

49792854481921 is a wasteful number, since it uses less digits than its factorization.

49792854481921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928991440130.

The product of its digits is 418037760, while the sum is 73.

The spelling of 49792854481921 in words is "forty-nine trillion, seven hundred ninety-two billion, eight hundred fifty-four million, four hundred eighty-one thousand, nine hundred twenty-one".