Search a number
-
+
2489169061 is a prime number
BaseRepresentation
bin1001010001011101…
…1011010010100101
320102110210220000201
42110113123102211
520044211402221
61050555310501
7115453405441
oct22427332245
96373726021
102489169061
111068086615
1259574b431
13308909602
14198831821
15e87db891
hex945db4a5

2489169061 has 2 divisors, whose sum is σ = 2489169062. Its totient is φ = 2489169060.

The previous prime is 2489169041. The next prime is 2489169083. The reversal of 2489169061 is 1609619842.

It is a happy number.

2489169061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2294984836 + 194184225 = 47906^2 + 13935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489169061 - 229 = 1952298149 is a prime.

It is a super-2 number, since 2×24891690612 = 12391925228479243442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2489169041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244584530 + 1244584531.

It is an arithmetic number, because the mean of its divisors is an integer number (1244584531).

Almost surely, 22489169061 is an apocalyptic number.

It is an amenable number.

2489169061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489169061 is an equidigital number, since it uses as much as digits as its factorization.

2489169061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 2489169061 is about 49891.5730459564. The cubic root of 2489169061 is about 1355.2459915677.

The spelling of 2489169061 in words is "two billion, four hundred eighty-nine million, one hundred sixty-nine thousand, sixty-one".