16201439 has 2 divisors, whose sum is σ = 16201440. Its totient is φ = 16201438.

The previous prime is 16201429. The next prime is 16201447. The reversal of 16201439 is 93410261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16201439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16201429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100719 + 8100720.

It is an arithmetic number, because the mean of its divisors is an integer number (8100720).

Almost surely, 2^16201439 is an apocalyptic number.

16201439 is a deficient number, since it is larger than the sum of its proper divisors (1).

16201439 is an equidigital number, since it uses as much as digits as its factorization.

16201439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16201439 is about 4025.1011167423. The cubic root of 16201439 is about 253.0372913416.

The spelling of 16201439 in words is "sixteen million, two hundred one thousand, four hundred thirty-nine".