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5469506681 is a prime number
BaseRepresentation
bin1010001100000001…
…00000110001111001
3112010011211201122112
411012000200301321
542200143203211
62302422302105
7252353016422
oct50600406171
915104751575
105469506681
112357437361
121087887935
136921c82b2
1439c59a649
1522029988b
hex146020c79

5469506681 has 2 divisors, whose sum is σ = 5469506682. Its totient is φ = 5469506680.

The previous prime is 5469506663. The next prime is 5469506683. The reversal of 5469506681 is 1866059645.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3939445225 + 1530061456 = 62765^2 + 39116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5469506681 is a prime.

It is a super-2 number, since 2×54695066812 = 59831006667007271522, which contains 22 as substring.

Together with 5469506683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5469506683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2734753340 + 2734753341.

It is an arithmetic number, because the mean of its divisors is an integer number (2734753341).

Almost surely, 25469506681 is an apocalyptic number.

It is an amenable number.

5469506681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5469506681 is an equidigital number, since it uses as much as digits as its factorization.

5469506681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 5469506681 is about 73956.1132091188. The cubic root of 5469506681 is about 1761.9059372810.

The spelling of 5469506681 in words is "five billion, four hundred sixty-nine million, five hundred six thousand, six hundred eighty-one".