2193231497 has 2 divisors, whose sum is σ = 2193231498. Its totient is φ = 2193231496.

The previous prime is 2193231473. The next prime is 2193231529. The reversal of 2193231497 is 7941323912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1682968576 + 510262921 = 41024^2 + 22589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193231497 - 2⁶ = 2193231433 is a prime.

It is a super-2 number, since 2×2193231497² = 9620528798865722018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2193231457) 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, 1096615748 + 1096615749.

It is an arithmetic number, because the mean of its divisors is an integer number (1096615749).

Almost surely, 2^2193231497 is an apocalyptic number.

It is an amenable number.

2193231497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193231497 is an equidigital number, since it uses as much as digits as its factorization.

2193231497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 2193231497 is about 46831.9495323438. The cubic root of 2193231497 is about 1299.2562801275.

The spelling of 2193231497 in words is "two billion, one hundred ninety-three million, two hundred thirty-one thousand, four hundred ninety-seven".