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6968812819 is a prime number
BaseRepresentation
bin1100111110101111…
…11010010100010011
3122222200001101000111
412133113322110103
5103233004002234
63111301502151
7334456634353
oct63727722423
918880041014
106968812819
112a56793241
121425a11957
13870a067a7
144a175cb63
152abc08664
hex19f5fa513

6968812819 has 2 divisors, whose sum is σ = 6968812820. Its totient is φ = 6968812818.

The previous prime is 6968812783. The next prime is 6968812889. The reversal of 6968812819 is 9182188696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6968812819 - 225 = 6935258387 is a prime.

It is a super-2 number, since 2×69688128192 = 97128704212517453522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6968812889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3484406409 + 3484406410.

It is an arithmetic number, because the mean of its divisors is an integer number (3484406410).

Almost surely, 26968812819 is an apocalyptic number.

6968812819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6968812819 is an equidigital number, since it uses as much as digits as its factorization.

6968812819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 58.

The square root of 6968812819 is about 83479.4155405990. The cubic root of 6968812819 is about 1910.0860517867.

The spelling of 6968812819 in words is "six billion, nine hundred sixty-eight million, eight hundred twelve thousand, eight hundred nineteen".