84619273469 has 2 divisors, whose sum is σ = 84619273470. Its totient is φ = 84619273468.

The previous prime is 84619273441. The next prime is 84619273471. The reversal of 84619273469 is 96437291648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84422208025 + 197065444 = 290555^2 + 14038^2 .

It is a cyclic number.

It is not a de Polignac number, because 84619273469 - 2³² = 80324306173 is a prime.

It is a super-2 number, since 2×84619273469² (a number of 23 digits) contains 22 as substring.

Together with 84619273471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84619273429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42309636734 + 42309636735.

It is an arithmetic number, because the mean of its divisors is an integer number (42309636735).

Almost surely, 2^84619273469 is an apocalyptic number.

It is an amenable number.

84619273469 is a deficient number, since it is larger than the sum of its proper divisors (1).

84619273469 is an equidigital number, since it uses as much as digits as its factorization.

84619273469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 59.

The spelling of 84619273469 in words is "eighty-four billion, six hundred nineteen million, two hundred seventy-three thousand, four hundred sixty-nine".