2195497329 has 16 divisors (see below), whose sum is σ = 3086592000. Its totient is φ = 1384293456.

The previous prime is 2195497319. The next prime is 2195497331. The reversal of 2195497329 is 9237945912.

It is not a de Polignac number, because 2195497329 - 2⁴ = 2195497313 is a prime.

It is a super-2 number, since 2×2195497329² = 9640417043292268482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2195497309) 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, 1992 + ... + 66294.

It is an arithmetic number, because the mean of its divisors is an integer number (192912000).

Almost surely, 2^2195497329 is an apocalyptic number.

It is an amenable number.

2195497329 is a deficient number, since it is larger than the sum of its proper divisors (891094671).

2195497329 is a wasteful number, since it uses less digits than its factorization.

2195497329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64924.

The product of its digits is 1224720, while the sum is 51.

The square root of 2195497329 is about 46856.1343796093. The cubic root of 2195497329 is about 1299.7035475894.

The spelling of 2195497329 in words is "two billion, one hundred ninety-five million, four hundred ninety-seven thousand, three hundred twenty-nine".