2194047628232 has 8 divisors (see below), whose sum is σ = 4113839302950. Its totient is φ = 1097023814112.

The previous prime is 2194047628231. The next prime is 2194047628273. The reversal of 2194047628232 is 2328267404912.

It can be written as a sum of positive squares in only one way, i.e., 1556071625476 + 637976002756 = 1247426^2 + 798734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2194047628231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137127976757 + ... + 137127976772.

Almost surely, 2^{2194047628232} is an apocalyptic number.

It is an amenable number.

2194047628232 is a deficient number, since it is larger than the sum of its proper divisors (1919791674718).

2194047628232 is a wasteful number, since it uses less digits than its factorization.

2194047628232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274255953535 (or 274255953531 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 2194047628232 in words is "two trillion, one hundred ninety-four billion, forty-seven million, six hundred twenty-eight thousand, two hundred thirty-two".