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7825984469 is a prime number
BaseRepresentation
bin1110100100111011…
…10000101111010101
3202012101222012110122
413102131300233111
5112011423000334
63332322001325
7364635525152
oct72235605725
922171865418
107825984469
113356622a66
121624aa6245
13979486154
1454352b229
1530c0c532e
hex1d2770bd5

7825984469 has 2 divisors, whose sum is σ = 7825984470. Its totient is φ = 7825984468.

The previous prime is 7825984433. The next prime is 7825984483. The reversal of 7825984469 is 9644895287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7552479025 + 273505444 = 86905^2 + 16538^2 .

It is a cyclic number.

It is not a de Polignac number, because 7825984469 - 232 = 3531017173 is a prime.

It is a super-2 number, since 2×78259844692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7825980469) 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, 3912992234 + 3912992235.

It is an arithmetic number, because the mean of its divisors is an integer number (3912992235).

Almost surely, 27825984469 is an apocalyptic number.

It is an amenable number.

7825984469 is a deficient number, since it is larger than the sum of its proper divisors (1).

7825984469 is an equidigital number, since it uses as much as digits as its factorization.

7825984469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 62.

The square root of 7825984469 is about 88464.5944375489. The cubic root of 7825984469 is about 1985.3922726576.

The spelling of 7825984469 in words is "seven billion, eight hundred twenty-five million, nine hundred eighty-four thousand, four hundred sixty-nine".