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69432460561 is a prime number
BaseRepresentation
bin100000010101001111…
…1110100010100010001
320122012212102110010101
41000222133310110101
52114144202214221
651521414332401
75005413114502
oct1005237642421
9218185373111
1069432460561
112749a8a5312
121155895a101
1367169a59b9
1435094bcba9
151c158a5d91
hex102a7f4511

69432460561 has 2 divisors, whose sum is σ = 69432460562. Its totient is φ = 69432460560.

The previous prime is 69432460553. The next prime is 69432460571. The reversal of 69432460561 is 16506423496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52459321600 + 16973138961 = 229040^2 + 130281^2 .

It is a cyclic number.

It is not a de Polignac number, because 69432460561 - 23 = 69432460553 is a prime.

It is not a weakly prime, because it can be changed into another prime (69432460571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34716230280 + 34716230281.

It is an arithmetic number, because the mean of its divisors is an integer number (34716230281).

Almost surely, 269432460561 is an apocalyptic number.

It is an amenable number.

69432460561 is a deficient number, since it is larger than the sum of its proper divisors (1).

69432460561 is an equidigital number, since it uses as much as digits as its factorization.

69432460561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 69432460561 in words is "sixty-nine billion, four hundred thirty-two million, four hundred sixty thousand, five hundred sixty-one".