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6972489697 is a prime number
BaseRepresentation
bin1100111111001011…
…11011111111100001
3122222220222011202011
412133211323333201
5103234424132242
63111512352521
7334533120205
oct63745737741
918886864664
106972489697
112a58874788
1214270a5741
138716c3264
144a2038b05
152ac1d2d17
hex19f97bfe1

6972489697 has 2 divisors, whose sum is σ = 6972489698. Its totient is φ = 6972489696.

The previous prime is 6972489581. The next prime is 6972489707. The reversal of 6972489697 is 7969842796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5241180816 + 1731308881 = 72396^2 + 41609^2 .

It is a cyclic number.

It is not a de Polignac number, because 6972489697 - 27 = 6972489569 is a prime.

It is a super-2 number, since 2×69724896972 = 97231225149542303618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6972483697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3486244848 + 3486244849.

It is an arithmetic number, because the mean of its divisors is an integer number (3486244849).

Almost surely, 26972489697 is an apocalyptic number.

It is an amenable number.

6972489697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6972489697 is an equidigital number, since it uses as much as digits as its factorization.

6972489697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 67.

The square root of 6972489697 is about 83501.4352990414. The cubic root of 6972489697 is about 1910.4219252821.

The spelling of 6972489697 in words is "six billion, nine hundred seventy-two million, four hundred eighty-nine thousand, six hundred ninety-seven".