16353925009 has 2 divisors, whose sum is σ = 16353925010. Its totient is φ = 16353925008.

The previous prime is 16353924953. The next prime is 16353925033. The reversal of 16353925009 is 90052935361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16002250000 + 351675009 = 126500^2 + 18753^2 .

It is a cyclic number.

It is not a de Polignac number, because 16353925009 - 2¹¹ = 16353922961 is a prime.

It is not a weakly prime, because it can be changed into another prime (16353925109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8176962504 + 8176962505.

It is an arithmetic number, because the mean of its divisors is an integer number (8176962505).

Almost surely, 2^16353925009 is an apocalyptic number.

It is an amenable number.

16353925009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16353925009 is an equidigital number, since it uses as much as digits as its factorization.

16353925009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 43.

The spelling of 16353925009 in words is "sixteen billion, three hundred fifty-three million, nine hundred twenty-five thousand, nine".