2194000931 has 2 divisors, whose sum is σ = 2194000932. Its totient is φ = 2194000930.

The previous prime is 2194000883. The next prime is 2194000957. The reversal of 2194000931 is 1390004912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2194000931 is a prime.

It is a super-2 number, since 2×2194000931² = 9627280170457733522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2194000894 and 2194000903.

It is not a weakly prime, because it can be changed into another prime (2194008931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097000465 + 1097000466.

It is an arithmetic number, because the mean of its divisors is an integer number (1097000466).

Almost surely, 2^2194000931 is an apocalyptic number.

2194000931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194000931 is an equidigital number, since it uses as much as digits as its factorization.

2194000931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2194000931 is about 46840.1636525749. The cubic root of 2194000931 is about 1299.4081982866.

The spelling of 2194000931 in words is "two billion, one hundred ninety-four million, nine hundred thirty-one", and thus it is an aban number.