2149361702228 has 12 divisors (see below), whose sum is σ = 4050720131220. Its totient is φ = 992013093312.

The previous prime is 2149361702227. The next prime is 2149361702263. The reversal of 2149361702228 is 8222071639412.

It can be written as a sum of positive squares in 2 ways, for example, as 954271089424 + 1195090612804 = 976868^2 + 1093202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149361702227) 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, 20666939393 + ... + 20666939496.

It is an arithmetic number, because the mean of its divisors is an integer number (337560010935).

Almost surely, 2^{2149361702228} is an apocalyptic number.

It is an amenable number.

2149361702228 is a deficient number, since it is larger than the sum of its proper divisors (1901358428992).

2149361702228 is a wasteful number, since it uses less digits than its factorization.

2149361702228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41333878906 (or 41333878904 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 2149361702228 in words is "two trillion, one hundred forty-nine billion, three hundred sixty-one million, seven hundred two thousand, two hundred twenty-eight".