16045453069 has 2 divisors, whose sum is σ = 16045453070. Its totient is φ = 16045453068.

The previous prime is 16045453063. The next prime is 16045453103. The reversal of 16045453069 is 96035454061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14057184969 + 1988268100 = 118563^2 + 44590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16045453069 is a prime.

It is a super-2 number, since 2×16045453069² (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 (16045453063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8022726534 + 8022726535.

It is an arithmetic number, because the mean of its divisors is an integer number (8022726535).

Almost surely, 2^16045453069 is an apocalyptic number.

It is an amenable number.

16045453069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16045453069 is an equidigital number, since it uses as much as digits as its factorization.

16045453069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 16045453069 in words is "sixteen billion, forty-five million, four hundred fifty-three thousand, sixty-nine".