84433770131 has 2 divisors, whose sum is σ = 84433770132. Its totient is φ = 84433770130.

The previous prime is 84433770097. The next prime is 84433770133. The reversal of 84433770131 is 13107733448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84433770131 - 2¹⁰ = 84433769107 is a prime.

It is a super-2 number, since 2×84433770131² (a number of 23 digits) contains 22 as substring.

Together with 84433770133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84433770133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42216885065 + 42216885066.

It is an arithmetic number, because the mean of its divisors is an integer number (42216885066).

Almost surely, 2^84433770131 is an apocalyptic number.

84433770131 is a deficient number, since it is larger than the sum of its proper divisors (1).

84433770131 is an equidigital number, since it uses as much as digits as its factorization.

84433770131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 84433770131 in words is "eighty-four billion, four hundred thirty-three million, seven hundred seventy thousand, one hundred thirty-one".