2195338954 has 4 divisors (see below), whose sum is σ = 3293008434. Its totient is φ = 1097669476.

The previous prime is 2195338949. The next prime is 2195338963. The reversal of 2195338954 is 4598335912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2083466025 + 111872929 = 45645^2 + 10577^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2195338898 and 2195338907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548834737 + ... + 548834740.

Almost surely, 2^2195338954 is an apocalyptic number.

2195338954 is a deficient number, since it is larger than the sum of its proper divisors (1097669480).

2195338954 is a wasteful number, since it uses less digits than its factorization.

2195338954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097669479.

The product of its digits is 1166400, while the sum is 49.

The square root of 2195338954 is about 46854.4443356231. Note that the first 3 decimals coincide. The cubic root of 2195338954 is about 1299.6722949136.

The spelling of 2195338954 in words is "two billion, one hundred ninety-five million, three hundred thirty-eight thousand, nine hundred fifty-four".