Search a number
-
+
2655544069 is a prime number
BaseRepresentation
bin1001111001001000…
…0110001100000101
320212001212121122001
42132102012030011
520414304402234
61115301305301
7122543515663
oct23622061405
96761777561
102655544069
111142a92622
12621405231
1333421c969
141b297dc33
15108202d14
hex9e486305

2655544069 has 2 divisors, whose sum is σ = 2655544070. Its totient is φ = 2655544068.

The previous prime is 2655544061. The next prime is 2655544117. The reversal of 2655544069 is 9604455562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2297955969 + 357588100 = 47937^2 + 18910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655544069 - 23 = 2655544061 is a prime.

It is a super-2 number, since 2×26555440692 = 14103828604802153522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2655544061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327772034 + 1327772035.

It is an arithmetic number, because the mean of its divisors is an integer number (1327772035).

Almost surely, 22655544069 is an apocalyptic number.

It is an amenable number.

2655544069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655544069 is an equidigital number, since it uses as much as digits as its factorization.

2655544069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The square root of 2655544069 is about 51531.9713284869. The cubic root of 2655544069 is about 1384.7918673110.

The spelling of 2655544069 in words is "two billion, six hundred fifty-five million, five hundred forty-four thousand, sixty-nine".