16542045329 has 2 divisors, whose sum is σ = 16542045330. Its totient is φ = 16542045328.

The previous prime is 16542045323. The next prime is 16542045367. The reversal of 16542045329 is 92354024561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12554754304 + 3987291025 = 112048^2 + 63145^2 .

It is a cyclic number.

It is not a de Polignac number, because 16542045329 - 2¹⁶ = 16541979793 is a prime.

It is not a weakly prime, because it can be changed into another prime (16542045323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8271022664 + 8271022665.

It is an arithmetic number, because the mean of its divisors is an integer number (8271022665).

Almost surely, 2^16542045329 is an apocalyptic number.

It is an amenable number.

16542045329 is a deficient number, since it is larger than the sum of its proper divisors (1).

16542045329 is an equidigital number, since it uses as much as digits as its factorization.

16542045329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 16542045329 in words is "sixteen billion, five hundred forty-two million, forty-five thousand, three hundred twenty-nine".