2173456933 has 2 divisors, whose sum is σ = 2173456934. Its totient is φ = 2173456932.

The previous prime is 2173456897. The next prime is 2173456937. The reversal of 2173456933 is 3396543712.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2063248929 + 110208004 = 45423^2 + 10498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173456933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2173456933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173456937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086728466 + 1086728467.

It is an arithmetic number, because the mean of its divisors is an integer number (1086728467).

Almost surely, 2^2173456933 is an apocalyptic number.

It is an amenable number.

2173456933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173456933 is an equidigital number, since it uses as much as digits as its factorization.

2173456933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 2173456933 is about 46620.3489154682. The cubic root of 2173456933 is about 1295.3397106223.

The spelling of 2173456933 in words is "two billion, one hundred seventy-three million, four hundred fifty-six thousand, nine hundred thirty-three".