2721559189391 has 16 divisors (see below), whose sum is σ = 3317354139456. Its totient is φ = 2179517669376.

The previous prime is 2721559189373. The next prime is 2721559189477. The reversal of 2721559189391 is 1939819551272.

It is not a de Polignac number, because 2721559189391 - 2¹⁴ = 2721559173007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721559189351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83451746 + ... + 83484351.

It is an arithmetic number, because the mean of its divisors is an integer number (207334633716).

Almost surely, 2^{2721559189391} is an apocalyptic number.

2721559189391 is a deficient number, since it is larger than the sum of its proper divisors (595794950065).

2721559189391 is a wasteful number, since it uses less digits than its factorization.

2721559189391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166936258.

The product of its digits is 12247200, while the sum is 62.

The spelling of 2721559189391 in words is "two trillion, seven hundred twenty-one billion, five hundred fifty-nine million, one hundred eighty-nine thousand, three hundred ninety-one".