84619273471 has 2 divisors, whose sum is σ = 84619273472. Its totient is φ = 84619273470.

The previous prime is 84619273469. The next prime is 84619273493. The reversal of 84619273471 is 17437291648.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84619273471 - 2¹ = 84619273469 is a prime.

It is a super-3 number, since 3×84619273471³ (a number of 34 digits) contains 333 as substring.

Together with 84619273469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84619273421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42309636735 + 42309636736.

It is an arithmetic number, because the mean of its divisors is an integer number (42309636736).

Almost surely, 2^84619273471 is an apocalyptic number.

84619273471 is a deficient number, since it is larger than the sum of its proper divisors (1).

84619273471 is an equidigital number, since it uses as much as digits as its factorization.

84619273471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The spelling of 84619273471 in words is "eighty-four billion, six hundred nineteen million, two hundred seventy-three thousand, four hundred seventy-one".