Search a number
-
+
4988998849 is a prime number
BaseRepresentation
bin1001010010101111…
…00001010011000001
3110212200200101211011
410221113201103001
540204140430344
62143015320521
7234426535102
oct45127412301
913780611734
104988998849
11213018374a
12b72980141
136167a9433
1435483a3a9
151e2ed1d34
hex1295e14c1

4988998849 has 2 divisors, whose sum is σ = 4988998850. Its totient is φ = 4988998848.

The previous prime is 4988998811. The next prime is 4988998897. The reversal of 4988998849 is 9488998894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2773602225 + 2215396624 = 52665^2 + 47068^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988998849 - 221 = 4986901697 is a prime.

It is not a weakly prime, because it can be changed into another prime (4988908849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494499424 + 2494499425.

It is an arithmetic number, because the mean of its divisors is an integer number (2494499425).

Almost surely, 24988998849 is an apocalyptic number.

It is an amenable number.

4988998849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988998849 is an equidigital number, since it uses as much as digits as its factorization.

4988998849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 429981696, while the sum is 76.

The square root of 4988998849 is about 70632.8453978742. The cubic root of 4988998849 is about 1708.7209121982.

The spelling of 4988998849 in words is "four billion, nine hundred eighty-eight million, nine hundred ninety-eight thousand, eight hundred forty-nine".