29223160163993 has 2 divisors, whose sum is σ = 29223160163994. Its totient is φ = 29223160163992.

The previous prime is 29223160163957. The next prime is 29223160163999. The reversal of 29223160163993 is 39936106132292.

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., 29107449297424 + 115710866569 = 5395132^2 + 340163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29223160163993 is a prime.

It is not a weakly prime, because it can be changed into another prime (29223160163999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14611580081996 + 14611580081997.

It is an arithmetic number, because the mean of its divisors is an integer number (14611580081997).

Almost surely, 2^{29223160163993} is an apocalyptic number.

It is an amenable number.

29223160163993 is a deficient number, since it is larger than the sum of its proper divisors (1).

29223160163993 is an equidigital number, since it uses as much as digits as its factorization.

29223160163993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 56.

The spelling of 29223160163993 in words is "twenty-nine trillion, two hundred twenty-three billion, one hundred sixty million, one hundred sixty-three thousand, nine hundred ninety-three".