16063993471 has 2 divisors, whose sum is σ = 16063993472. Its totient is φ = 16063993470.

The previous prime is 16063993423. The next prime is 16063993487. The reversal of 16063993471 is 17439936061.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17439936061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16063993471 - 2⁷ = 16063993343 is a prime.

It is a super-3 number, since 3×16063993471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16063997471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8031996735 + 8031996736.

It is an arithmetic number, because the mean of its divisors is an integer number (8031996736).

Almost surely, 2^16063993471 is an apocalyptic number.

16063993471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16063993471 is an equidigital number, since it uses as much as digits as its factorization.

16063993471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 16063993471 in words is "sixteen billion, sixty-three million, nine hundred ninety-three thousand, four hundred seventy-one".