Search a number
-
+
1370068969 is a prime number
BaseRepresentation
bin101000110101001…
…1001011111101001
310112111000201022011
41101222121133221
510301214201334
6343541155521
745644252113
oct12152313751
93474021264
101370068969
11643406105
123229bbba1
1318aacbcc9
14cdd603b3
1580431564
hex51a997e9

1370068969 has 2 divisors, whose sum is σ = 1370068970. Its totient is φ = 1370068968.

The previous prime is 1370068949. The next prime is 1370068993. The reversal of 1370068969 is 9698600731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1356964569 + 13104400 = 36837^2 + 3620^2 .

It is an emirp because it is prime and its reverse (9698600731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1370068969 - 213 = 1370060777 is a prime.

It is a super-2 number, since 2×13700689692 = 3754177959633445922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1370068919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685034484 + 685034485.

It is an arithmetic number, because the mean of its divisors is an integer number (685034485).

Almost surely, 21370068969 is an apocalyptic number.

It is an amenable number.

1370068969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370068969 is an equidigital number, since it uses as much as digits as its factorization.

1370068969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1370068969 is about 37014.4427082186. The cubic root of 1370068969 is about 1110.6591785769.

The spelling of 1370068969 in words is "one billion, three hundred seventy million, sixty-eight thousand, nine hundred sixty-nine".