84350084251 has 2 divisors, whose sum is σ = 84350084252. Its totient is φ = 84350084250.

The previous prime is 84350084239. The next prime is 84350084293. The reversal of 84350084251 is 15248005348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84350084251 - 2⁷ = 84350084123 is a prime.

It is a super-2 number, since 2×84350084251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84350087251) 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, 42175042125 + 42175042126.

It is an arithmetic number, because the mean of its divisors is an integer number (42175042126).

Almost surely, 2^84350084251 is an apocalyptic number.

84350084251 is a deficient number, since it is larger than the sum of its proper divisors (1).

84350084251 is an equidigital number, since it uses as much as digits as its factorization.

84350084251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 40.

Adding to 84350084251 its reverse (15248005348), we get a palindrome (99598089599).

The spelling of 84350084251 in words is "eighty-four billion, three hundred fifty million, eighty-four thousand, two hundred fifty-one".