16429772393 has 2 divisors, whose sum is σ = 16429772394. Its totient is φ = 16429772392.

The previous prime is 16429772377. The next prime is 16429772407. The reversal of 16429772393 is 39327792461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9799416064 + 6630356329 = 98992^2 + 81427^2 .

It is a cyclic number.

It is not a de Polignac number, because 16429772393 - 2⁴ = 16429772377 is a prime.

It is not a weakly prime, because it can be changed into another prime (16429772353) 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, 8214886196 + 8214886197.

It is an arithmetic number, because the mean of its divisors is an integer number (8214886197).

Almost surely, 2^16429772393 is an apocalyptic number.

It is an amenable number.

16429772393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16429772393 is an equidigital number, since it uses as much as digits as its factorization.

16429772393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 53.

The spelling of 16429772393 in words is "sixteen billion, four hundred twenty-nine million, seven hundred seventy-two thousand, three hundred ninety-three".