49144138592181 has 32 divisors (see below), whose sum is σ = 70462439815680. Its totient is φ = 30358039735296.

The previous prime is 49144138592179. The next prime is 49144138592257. The reversal of 49144138592181 is 18129583144194.

It is not a de Polignac number, because 49144138592181 - 2¹ = 49144138592179 is a prime.

It is a super-2 number, since 2×49144138592181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49144138590181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27281581 + ... + 29027106.

It is an arithmetic number, because the mean of its divisors is an integer number (2201951244240).

Almost surely, 2^{49144138592181} is an apocalyptic number.

It is an amenable number.

49144138592181 is a deficient number, since it is larger than the sum of its proper divisors (21318301223499).

49144138592181 is a wasteful number, since it uses less digits than its factorization.

49144138592181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56308973.

The product of its digits is 9953280, while the sum is 60.

The spelling of 49144138592181 in words is "forty-nine trillion, one hundred forty-four billion, one hundred thirty-eight million, five hundred ninety-two thousand, one hundred eighty-one".