16442398471 has 2 divisors, whose sum is σ = 16442398472. Its totient is φ = 16442398470.

The previous prime is 16442398457. The next prime is 16442398477. The reversal of 16442398471 is 17489324461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16442398471 - 2²⁹ = 15905527559 is a prime.

It is a super-3 number, since 3×16442398471³ (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 (16442398477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221199235 + 8221199236.

It is an arithmetic number, because the mean of its divisors is an integer number (8221199236).

Almost surely, 2^16442398471 is an apocalyptic number.

16442398471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442398471 is an equidigital number, since it uses as much as digits as its factorization.

16442398471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The spelling of 16442398471 in words is "sixteen billion, four hundred forty-two million, three hundred ninety-eight thousand, four hundred seventy-one".