2729370494181 has 16 divisors (see below), whose sum is σ = 3756297872000. Its totient is φ = 1761505973568.

The previous prime is 2729370494177. The next prime is 2729370494219. The reversal of 2729370494181 is 1814940739272.

It is not a de Polignac number, because 2729370494181 - 2² = 2729370494177 is a prime.

It is a super-2 number, since 2×2729370494181² (a number of 26 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 (2729370494101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61759126 + ... + 61803303.

It is an arithmetic number, because the mean of its divisors is an integer number (234768617000).

Almost surely, 2^{2729370494181} is an apocalyptic number.

It is an amenable number.

2729370494181 is a deficient number, since it is larger than the sum of its proper divisors (1026927377819).

2729370494181 is a wasteful number, since it uses less digits than its factorization.

2729370494181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123562668.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 2729370494181 in words is "two trillion, seven hundred twenty-nine billion, three hundred seventy million, four hundred ninety-four thousand, one hundred eighty-one".