2149215195 has 16 divisors (see below), whose sum is σ = 3439494432. Its totient is φ = 1145998080.

The previous prime is 2149215181. The next prime is 2149215199. The reversal of 2149215195 is 5915129412.

It is a happy number.

It is not a de Polignac number, because 2149215195 - 2⁴ = 2149215179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2149215199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70879 + ... + 96551.

It is an arithmetic number, because the mean of its divisors is an integer number (214968402).

Almost surely, 2^2149215195 is an apocalyptic number.

2149215195 is a deficient number, since it is larger than the sum of its proper divisors (1290279237).

2149215195 is a wasteful number, since it uses less digits than its factorization.

2149215195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262.

The product of its digits is 32400, while the sum is 39.

The square root of 2149215195 is about 46359.6289350983. The cubic root of 2149215195 is about 1290.5058199059.

It can be divided in two parts, 214921 and 5195, that added together give a triangular number (220116 = T₆₆₃).

The spelling of 2149215195 in words is "two billion, one hundred forty-nine million, two hundred fifteen thousand, one hundred ninety-five".