2105232687364 has 27 divisors (see below), whose sum is σ = 3692948335797. Its totient is φ = 1050110566848.

The previous prime is 2105232687359. The next prime is 2105232687367. The reversal of 2105232687364 is 4637862325012.

The square root of 2105232687364 is 1450942.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 646161960964 + 1459070726400 = 803842^2 + 1207920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105232687367) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2086454092 + ... + 2086455100.

Almost surely, 2^{2105232687364} is an apocalyptic number.

2105232687364 is the 1450942-nd square number.

It is an amenable number.

2105232687364 is a deficient number, since it is larger than the sum of its proper divisors (1587715648433).

2105232687364 is an frugal number, since it uses more digits than its factorization.

2105232687364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

Multiplying 2105232687364 by its sum of digits (49), we get a square (103156401680836 = 10156594²).

The spelling of 2105232687364 in words is "two trillion, one hundred five billion, two hundred thirty-two million, six hundred eighty-seven thousand, three hundred sixty-four".