Search a number
-
+
2144355463 is a prime number
BaseRepresentation
bin111111111010000…
…0100010010000111
312112102222112200201
41333310010102013
513342423333323
6552440551331
7104065502125
oct17764042207
95472875621
102144355463
11a00483aa8
124ba182547
1328234acb3
14164b14915
15c83c98ad
hex7fd04487

2144355463 has 2 divisors, whose sum is σ = 2144355464. Its totient is φ = 2144355462.

The previous prime is 2144355457. The next prime is 2144355487. The reversal of 2144355463 is 3645534412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144355463 - 25 = 2144355431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144359463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072177731 + 1072177732.

It is an arithmetic number, because the mean of its divisors is an integer number (1072177732).

Almost surely, 22144355463 is an apocalyptic number.

2144355463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144355463 is an equidigital number, since it uses as much as digits as its factorization.

2144355463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 37.

The square root of 2144355463 is about 46307.1858678542. The cubic root of 2144355463 is about 1289.5324032890.

Adding to 2144355463 its reverse (3645534412), we get a palindrome (5789889875).

The spelling of 2144355463 in words is "two billion, one hundred forty-four million, three hundred fifty-five thousand, four hundred sixty-three".