984148999993 has 2 divisors, whose sum is σ = 984148999994. Its totient is φ = 984148999992.

The previous prime is 984148999979. The next prime is 984149000119. The reversal of 984148999993 is 399999841489.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737454997504 + 246694002489 = 858752^2 + 496683^2 .

It is an emirp because it is prime and its reverse (399999841489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 984148999993 - 2⁹ = 984148999481 is a prime.

It is not a weakly prime, because it can be changed into another prime (984148999913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492074499996 + 492074499997.

It is an arithmetic number, because the mean of its divisors is an integer number (492074499997).

Almost surely, 2^984148999993 is an apocalyptic number.

It is an amenable number.

984148999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

984148999993 is an equidigital number, since it uses as much as digits as its factorization.

984148999993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632586752, while the sum is 82.

The spelling of 984148999993 in words is "nine hundred eighty-four billion, one hundred forty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-three".