2195895949 has 8 divisors (see below), whose sum is σ = 2489275040. Its totient is φ = 1920297456.

The previous prime is 2195895901. The next prime is 2195895953. The reversal of 2195895949 is 9495985912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2195895949 - 2⁹ = 2195895437 is a prime.

It is a super-2 number, since 2×2195895949² = 9643918037669221202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195895349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444887 + ... + 4445380.

It is an arithmetic number, because the mean of its divisors is an integer number (311159380).

Almost surely, 2^2195895949 is an apocalyptic number.

It is an amenable number.

2195895949 is a deficient number, since it is larger than the sum of its proper divisors (293379091).

2195895949 is a wasteful number, since it uses less digits than its factorization.

2195895949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8890299.

The product of its digits is 10497600, while the sum is 61.

The square root of 2195895949 is about 46860.3878451726. The cubic root of 2195895949 is about 1299.7822019744.

The spelling of 2195895949 in words is "two billion, one hundred ninety-five million, eight hundred ninety-five thousand, nine hundred forty-nine".