49857367281 has 8 divisors (see below), whose sum is σ = 68273151744. Its totient is φ = 32339913840.

The previous prime is 49857367267. The next prime is 49857367289. The reversal of 49857367281 is 18276375894.

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

It is not a de Polignac number, because 49857367281 - 2⁵ = 49857367249 is a prime.

It is a super-2 number, since 2×49857367281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49857367289) 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, 224582625 + ... + 224582846.

It is an arithmetic number, because the mean of its divisors is an integer number (8534143968).

Almost surely, 2^49857367281 is an apocalyptic number.

It is an amenable number.

49857367281 is a deficient number, since it is larger than the sum of its proper divisors (18415784463).

49857367281 is a wasteful number, since it uses less digits than its factorization.

49857367281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449165511.

The product of its digits is 20321280, while the sum is 60.

The spelling of 49857367281 in words is "forty-nine billion, eight hundred fifty-seven million, three hundred sixty-seven thousand, two hundred eighty-one".