2329157029221 has 48 divisors (see below), whose sum is σ = 3922398986688. Its totient is φ = 1316157734400.

The previous prime is 2329157029219. The next prime is 2329157029247. The reversal of 2329157029221 is 1229207519232.

2329157029221 is a `hidden beast` number, since 2 + 3 + 291 + 5 + 70 + 292 + 2 + 1 = 666.

2329157029221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2329157029221 - 2¹ = 2329157029219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2329157029291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6286890 + ... + 6647051.

It is an arithmetic number, because the mean of its divisors is an integer number (81716645556).

Almost surely, 2^{2329157029221} is an apocalyptic number.

It is an amenable number.

2329157029221 is a deficient number, since it is larger than the sum of its proper divisors (1593241957467).

2329157029221 is a wasteful number, since it uses less digits than its factorization.

2329157029221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934082 (or 12934079 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 2329157029221 in words is "two trillion, three hundred twenty-nine billion, one hundred fifty-seven million, twenty-nine thousand, two hundred twenty-one".