84090532499 has 2 divisors, whose sum is σ = 84090532500. Its totient is φ = 84090532498.

The previous prime is 84090532483. The next prime is 84090532523. The reversal of 84090532499 is 99423509048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84090532499 - 2⁴ = 84090532483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84090532499.

It is not a weakly prime, because it can be changed into another prime (84090534499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42045266249 + 42045266250.

It is an arithmetic number, because the mean of its divisors is an integer number (42045266250).

Almost surely, 2^84090532499 is an apocalyptic number.

84090532499 is a deficient number, since it is larger than the sum of its proper divisors (1).

84090532499 is an equidigital number, since it uses as much as digits as its factorization.

84090532499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 84090532499 in words is "eighty-four billion, ninety million, five hundred thirty-two thousand, four hundred ninety-nine".