84334475149 has 2 divisors, whose sum is σ = 84334475150. Its totient is φ = 84334475148.

The previous prime is 84334475087. The next prime is 84334475221. The reversal of 84334475149 is 94157443348.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60589822500 + 23744652649 = 246150^2 + 154093^2 .

It is a cyclic number.

It is not a de Polignac number, because 84334475149 - 2³⁵ = 49974736781 is a prime.

It is a super-2 number, since 2×84334475149² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84334475096 and 84334475105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84334479149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42167237574 + 42167237575.

It is an arithmetic number, because the mean of its divisors is an integer number (42167237575).

Almost surely, 2^84334475149 is an apocalyptic number.

It is an amenable number.

84334475149 is a deficient number, since it is larger than the sum of its proper divisors (1).

84334475149 is an equidigital number, since it uses as much as digits as its factorization.

84334475149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 52.

The spelling of 84334475149 in words is "eighty-four billion, three hundred thirty-four million, four hundred seventy-five thousand, one hundred forty-nine".