2729541428621 has 8 divisors (see below), whose sum is σ = 3121489795200. Its totient is φ = 2338096531248.

The previous prime is 2729541428599. The next prime is 2729541428657. The reversal of 2729541428621 is 1268241459272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2729541428621 - 2³⁴ = 2712361559437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729541428671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125855681 + ... + 125877366.

It is an arithmetic number, because the mean of its divisors is an integer number (390186224400).

Almost surely, 2^{2729541428621} is an apocalyptic number.

It is an amenable number.

2729541428621 is a deficient number, since it is larger than the sum of its proper divisors (391948366579).

2729541428621 is a wasteful number, since it uses less digits than its factorization.

2729541428621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251734603.

The product of its digits is 3870720, while the sum is 53.

The spelling of 2729541428621 in words is "two trillion, seven hundred twenty-nine billion, five hundred forty-one million, four hundred twenty-eight thousand, six hundred twenty-one".