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4815385969 is a prime number
BaseRepresentation
bin1000111110000010…
…01111010101110001
3110102120222221201111
410133001033111301
534330214322334
62113454233321
7230221051102
oct43701172561
913376887644
104815385969
112051183829
12b247b5841
135b9830814
143397663a9
151d2b3b064
hex11f04f571

4815385969 has 2 divisors, whose sum is σ = 4815385970. Its totient is φ = 4815385968.

The previous prime is 4815385963. The next prime is 4815386033. The reversal of 4815385969 is 9695835184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3188070369 + 1627315600 = 56463^2 + 40340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4815385969 - 25 = 4815385937 is a prime.

It is a super-2 number, since 2×48153859692 = 46375884060884137922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4815385963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2407692984 + 2407692985.

It is an arithmetic number, because the mean of its divisors is an integer number (2407692985).

Almost surely, 24815385969 is an apocalyptic number.

It is an amenable number.

4815385969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4815385969 is an equidigital number, since it uses as much as digits as its factorization.

4815385969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 58.

The square root of 4815385969 is about 69392.9821307602. The cubic root of 4815385969 is about 1688.6657733693.

The spelling of 4815385969 in words is "four billion, eight hundred fifteen million, three hundred eighty-five thousand, nine hundred sixty-nine".