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9998873321 is a prime number
BaseRepresentation
bin10010100111111101…
…01011001011101001
3221210211122101121112
421103332223023221
5130434202421241
64332102320105
7502532010113
oct112376531351
927724571545
109998873321
114271115578
121b30729035
13c346b46b8
146abd4c3b3
153d7c391eb
hex253fab2e9

9998873321 has 2 divisors, whose sum is σ = 9998873322. Its totient is φ = 9998873320.

The previous prime is 9998873309. The next prime is 9998873333. The reversal of 9998873321 is 1233788999.

It is a balanced prime because it is at equal distance from previous prime (9998873309) and next prime (9998873333).

It can be written as a sum of positive squares in only one way, i.e., 6557760400 + 3441112921 = 80980^2 + 58661^2 .

It is an emirp because it is prime and its reverse (1233788999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9998873321 is a prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (9998873351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999436660 + 4999436661.

It is an arithmetic number, because the mean of its divisors is an integer number (4999436661).

Almost surely, 29998873321 is an apocalyptic number.

It is an amenable number.

9998873321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998873321 is an equidigital number, since it uses as much as digits as its factorization.

9998873321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The square root of 9998873321 is about 99994.3664463154. The cubic root of 9998873321 is about 2154.3537751156.

The spelling of 9998873321 in words is "nine billion, nine hundred ninety-eight million, eight hundred seventy-three thousand, three hundred twenty-one".