16354343069 has 2 divisors, whose sum is σ = 16354343070. Its totient is φ = 16354343068.

The previous prime is 16354343063. The next prime is 16354343153. The reversal of 16354343069 is 96034345361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14379607225 + 1974735844 = 119915^2 + 44438^2 .

It is a cyclic number.

It is not a de Polignac number, because 16354343069 - 2⁴ = 16354343053 is a prime.

It is a super-2 number, since 2×16354343069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16354343063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177171534 + 8177171535.

It is an arithmetic number, because the mean of its divisors is an integer number (8177171535).

Almost surely, 2^16354343069 is an apocalyptic number.

It is an amenable number.

16354343069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16354343069 is an equidigital number, since it uses as much as digits as its factorization.

16354343069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 16354343069 in words is "sixteen billion, three hundred fifty-four million, three hundred forty-three thousand, sixty-nine".