49052472871 has 4 divisors (see below), whose sum is σ = 49071659032. Its totient is φ = 49033286712.

The previous prime is 49052472841. The next prime is 49052472893. The reversal of 49052472871 is 17827425094.

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

It is a cyclic number.

It is not a de Polignac number, because 49052472871 - 2¹¹ = 49052470823 is a prime.

It is a super-2 number, since 2×49052472871² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49052472811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9589245 + ... + 9594358.

It is an arithmetic number, because the mean of its divisors is an integer number (12267914758).

Almost surely, 2^49052472871 is an apocalyptic number.

49052472871 is a deficient number, since it is larger than the sum of its proper divisors (19186161).

49052472871 is a wasteful number, since it uses less digits than its factorization.

49052472871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19186160.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 49052472871 in words is "forty-nine billion, fifty-two million, four hundred seventy-two thousand, eight hundred seventy-one".