84498381923 has 2 divisors, whose sum is σ = 84498381924. Its totient is φ = 84498381922.

The previous prime is 84498381871. The next prime is 84498381971. The reversal of 84498381923 is 32918389448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84498381923 - 2⁶ = 84498381859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84498381973) 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, 42249190961 + 42249190962.

It is an arithmetic number, because the mean of its divisors is an integer number (42249190962).

Almost surely, 2^84498381923 is an apocalyptic number.

84498381923 is a deficient number, since it is larger than the sum of its proper divisors (1).

84498381923 is an equidigital number, since it uses as much as digits as its factorization.

84498381923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11943936, while the sum is 59.

The spelling of 84498381923 in words is "eighty-four billion, four hundred ninety-eight million, three hundred eighty-one thousand, nine hundred twenty-three".