2193491072933 has 2 divisors, whose sum is σ = 2193491072934. Its totient is φ = 2193491072932.

The previous prime is 2193491072917. The next prime is 2193491073079. The reversal of 2193491072933 is 3392701943912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2066368875169 + 127122197764 = 1437487^2 + 356542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193491072933 - 2⁴ = 2193491072917 is a prime.

It is a super-2 number, since 2×2193491072933² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2193491072033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096745536466 + 1096745536467.

It is an arithmetic number, because the mean of its divisors is an integer number (1096745536467).

Almost surely, 2^{2193491072933} is an apocalyptic number.

It is an amenable number.

2193491072933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193491072933 is an equidigital number, since it uses as much as digits as its factorization.

2193491072933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 2193491072933 in words is "two trillion, one hundred ninety-three billion, four hundred ninety-one million, seventy-two thousand, nine hundred thirty-three".