2729188141 has 2 divisors, whose sum is σ = 2729188142. Its totient is φ = 2729188140.

The previous prime is 2729188079. The next prime is 2729188153. The reversal of 2729188141 is 1418819272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1650065641 + 1079122500 = 40621^2 + 32850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2729188141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729188181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364594070 + 1364594071.

It is an arithmetic number, because the mean of its divisors is an integer number (1364594071).

Almost surely, 2^2729188141 is an apocalyptic number.

It is an amenable number.

2729188141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729188141 is an equidigital number, since it uses as much as digits as its factorization.

2729188141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 43.

The square root of 2729188141 is about 52241.6322581904. The cubic root of 2729188141 is about 1397.4764302335.

The spelling of 2729188141 in words is "two billion, seven hundred twenty-nine million, one hundred eighty-eight thousand, one hundred forty-one".