19932943 has 2 divisors, whose sum is σ = 19932944. Its totient is φ = 19932942.

The previous prime is 19932931. The next prime is 19932967. The reversal of 19932943 is 34923991.

It is a weak prime.

It is an emirp because it is prime and its reverse (34923991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19932943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19932896 and 19932905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19932343) 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, 9966471 + 9966472.

It is an arithmetic number, because the mean of its divisors is an integer number (9966472).

Almost surely, 2^19932943 is an apocalyptic number.

19932943 is a deficient number, since it is larger than the sum of its proper divisors (1).

19932943 is an equidigital number, since it uses as much as digits as its factorization.

19932943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 40.

The square root of 19932943 is about 4464.6324596768. The cubic root of 19932943 is about 271.1380541407.

The spelling of 19932943 in words is "nineteen million, nine hundred thirty-two thousand, nine hundred forty-three".