Search a number
-
+
9993351749 is a prime number
BaseRepresentation
bin10010100111010011…
…00111001001000101
3221210110020212102212
421103221213021011
5130431244223444
64331344113205
7502434042203
oct112351471105
927713225385
109993351749
114268a94097
121b2a905805
13c335003b4
146ab312073
153d74e819e
hex253a67245

9993351749 has 2 divisors, whose sum is σ = 9993351750. Its totient is φ = 9993351748.

The previous prime is 9993351727. The next prime is 9993351769. The reversal of 9993351749 is 9471533999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6321840100 + 3671511649 = 79510^2 + 60593^2 .

It is an emirp because it is prime and its reverse (9471533999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9993351749 - 216 = 9993286213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9993351769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996675874 + 4996675875.

It is an arithmetic number, because the mean of its divisors is an integer number (4996675875).

Almost surely, 29993351749 is an apocalyptic number.

It is an amenable number.

9993351749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993351749 is an equidigital number, since it uses as much as digits as its factorization.

9993351749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 59.

The square root of 9993351749 is about 99966.7532182575. The cubic root of 9993351749 is about 2153.9571434352.

The spelling of 9993351749 in words is "nine billion, nine hundred ninety-three million, three hundred fifty-one thousand, seven hundred forty-nine".