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69758985797 is a prime number
BaseRepresentation
bin100000011110111110…
…1011010011001000101
320200001121211122112122
41000331331122121011
52120331300021142
652014041055325
75016456411224
oct1007575323105
9220047748478
1069758985797
1127648146586
121162a187545
13676952ccb7
14353a9d8cbb
151c343a41d2
hex103df5a645

69758985797 has 2 divisors, whose sum is σ = 69758985798. Its totient is φ = 69758985796.

The previous prime is 69758985707. The next prime is 69758985799. The reversal of 69758985797 is 79758985796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40179801601 + 29579184196 = 200449^2 + 171986^2 .

It is a cyclic number.

It is not a de Polignac number, because 69758985797 - 228 = 69490550341 is a prime.

Together with 69758985799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69758985799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34879492898 + 34879492899.

It is an arithmetic number, because the mean of its divisors is an integer number (34879492899).

Almost surely, 269758985797 is an apocalyptic number.

It is an amenable number.

69758985797 is a deficient number, since it is larger than the sum of its proper divisors (1).

69758985797 is an equidigital number, since it uses as much as digits as its factorization.

69758985797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400451200, while the sum is 80.

Subtracting 69758985797 from its reverse (79758985796), we obtain a palindrome (9999999999).

The spelling of 69758985797 in words is "sixty-nine billion, seven hundred fifty-eight million, nine hundred eighty-five thousand, seven hundred ninety-seven".