2195461982 has 16 divisors (see below), whose sum is σ = 3811292160. Its totient is φ = 929001528.

The previous prime is 2195461981. The next prime is 2195461997. The reversal of 2195461982 is 2891645912.

It is a happy number.

2195461982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195461981) 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, 991418 + ... + 993629.

It is an arithmetic number, because the mean of its divisors is an integer number (238205760).

Almost surely, 2^2195461982 is an apocalyptic number.

2195461982 is a deficient number, since it is larger than the sum of its proper divisors (1615830178).

2195461982 is a wasteful number, since it uses less digits than its factorization.

2195461982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985135.

The product of its digits is 311040, while the sum is 47.

The square root of 2195461982 is about 46855.7571916195. The cubic root of 2195461982 is about 1299.6965725763.

The spelling of 2195461982 in words is "two billion, one hundred ninety-five million, four hundred sixty-one thousand, nine hundred eighty-two".