2729831401 has 16 divisors (see below), whose sum is σ = 3021815808. Its totient is φ = 2445398800.

The previous prime is 2729831371. The next prime is 2729831417. The reversal of 2729831401 is 1041389272.

It is a cyclic number.

It is not a de Polignac number, because 2729831401 - 2¹³ = 2729823209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2729831431) 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 15 ways as a sum of consecutive naturals, for example, 218736 + ... + 230878.

It is an arithmetic number, because the mean of its divisors is an integer number (188863488).

Almost surely, 2^2729831401 is an apocalyptic number.

It is an amenable number.

2729831401 is a deficient number, since it is larger than the sum of its proper divisors (291984407).

2729831401 is a wasteful number, since it uses less digits than its factorization.

2729831401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2729831401 is about 52247.7884795137. The cubic root of 2729831401 is about 1397.5862150273.

The spelling of 2729831401 in words is "two billion, seven hundred twenty-nine million, eight hundred thirty-one thousand, four hundred one".