2729212001 has 4 divisors (see below), whose sum is σ = 2756234004. Its totient is φ = 2702190000.

The previous prime is 2729211937. The next prime is 2729212043. The reversal of 2729212001 is 1002129272.

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 1977136225 + 752075776 = 44465^2 + 27424^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729212001 - 2⁶ = 2729211937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2729212201) 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, 13510850 + ... + 13511051.

It is an arithmetic number, because the mean of its divisors is an integer number (689058501).

Almost surely, 2^2729212001 is an apocalyptic number.

It is an amenable number.

2729212001 is a deficient number, since it is larger than the sum of its proper divisors (27022003).

2729212001 is a wasteful number, since it uses less digits than its factorization.

2729212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27022002.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2729212001 is about 52241.8606196219. The cubic root of 2729212001 is about 1397.4805027132.

It can be divided in two parts, 27292 and 12001, that added together give a palindrome (39293).

The spelling of 2729212001 in words is "two billion, seven hundred twenty-nine million, two hundred twelve thousand, one".