2729140529641 has 4 divisors (see below), whose sum is σ = 2749061263572. Its totient is φ = 2709219795712.

The previous prime is 2729140529627. The next prime is 2729140529657. The reversal of 2729140529641 is 1469250419272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2386394681616 + 342745848025 = 1544796^2 + 585445^2 .

It is not a de Polignac number, because 2729140529641 - 2¹¹ = 2729140527593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2729140529671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9960366760 + ... + 9960367033.

It is an arithmetic number, because the mean of its divisors is an integer number (687265315893).

Almost surely, 2^{2729140529641} is an apocalyptic number.

It is an amenable number.

2729140529641 is a deficient number, since it is larger than the sum of its proper divisors (19920733931).

2729140529641 is a wasteful number, since it uses less digits than its factorization.

2729140529641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19920733930.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 2729140529641 in words is "two trillion, seven hundred twenty-nine billion, one hundred forty million, five hundred twenty-nine thousand, six hundred forty-one".