16069894391 has 2 divisors, whose sum is σ = 16069894392. Its totient is φ = 16069894390.

The previous prime is 16069894277. The next prime is 16069894433. The reversal of 16069894391 is 19349896061.

It is a strong prime.

It is an emirp because it is prime and its reverse (19349896061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16069894391 - 2¹⁸ = 16069632247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16069894991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8034947195 + 8034947196.

It is an arithmetic number, because the mean of its divisors is an integer number (8034947196).

Almost surely, 2^16069894391 is an apocalyptic number.

16069894391 is a deficient number, since it is larger than the sum of its proper divisors (1).

16069894391 is an equidigital number, since it uses as much as digits as its factorization.

16069894391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 16069894391 in words is "sixteen billion, sixty-nine million, eight hundred ninety-four thousand, three hundred ninety-one".