16441947659 has 2 divisors, whose sum is σ = 16441947660. Its totient is φ = 16441947658.

The previous prime is 16441947581. The next prime is 16441947707. The reversal of 16441947659 is 95674914461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16441947659 - 2¹² = 16441943563 is a prime.

It is a super-3 number, since 3×16441947659³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16441947359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220973829 + 8220973830.

It is an arithmetic number, because the mean of its divisors is an integer number (8220973830).

Almost surely, 2^16441947659 is an apocalyptic number.

16441947659 is a deficient number, since it is larger than the sum of its proper divisors (1).

16441947659 is an equidigital number, since it uses as much as digits as its factorization.

16441947659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The spelling of 16441947659 in words is "sixteen billion, four hundred forty-one million, nine hundred forty-seven thousand, six hundred fifty-nine".