84028008982429 has 2 divisors, whose sum is σ = 84028008982430. Its totient is φ = 84028008982428.

The previous prime is 84028008982391. The next prime is 84028008982439. The reversal of 84028008982429 is 92428980082048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45032018148100 + 38995990834329 = 6710590^2 + 6244677^2 .

It is a cyclic number.

It is not a de Polignac number, because 84028008982429 - 2¹³ = 84028008974237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84028008982439) 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, 42014004491214 + 42014004491215.

It is an arithmetic number, because the mean of its divisors is an integer number (42014004491215).

Almost surely, 2^{84028008982429} is an apocalyptic number.

It is an amenable number.

84028008982429 is a deficient number, since it is larger than the sum of its proper divisors (1).

84028008982429 is an equidigital number, since it uses as much as digits as its factorization.

84028008982429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42467328, while the sum is 64.

The spelling of 84028008982429 in words is "eighty-four trillion, twenty-eight billion, eight million, nine hundred eighty-two thousand, four hundred twenty-nine".