16406425393 has 2 divisors, whose sum is σ = 16406425394. Its totient is φ = 16406425392.

The previous prime is 16406425363. The next prime is 16406425423. The reversal of 16406425393 is 39352460461.

It is a balanced prime because it is at equal distance from previous prime (16406425363) and next prime (16406425423).

It can be written as a sum of positive squares in only one way, i.e., 12177784609 + 4228640784 = 110353^2 + 65028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16406425393 is a prime.

It is not a weakly prime, because it can be changed into another prime (16406425303) 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, 8203212696 + 8203212697.

It is an arithmetic number, because the mean of its divisors is an integer number (8203212697).

Almost surely, 2^16406425393 is an apocalyptic number.

It is an amenable number.

16406425393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16406425393 is an equidigital number, since it uses as much as digits as its factorization.

16406425393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 16406425393 in words is "sixteen billion, four hundred six million, four hundred twenty-five thousand, three hundred ninety-three".