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4287656897 is a prime number
BaseRepresentation
bin1111111110010000…
…0111001111000001
3102001210222112112022
43333210013033001
532240120010042
61545243211225
7211152324266
oct37744071701
912053875468
104287656897
1119002a80a7
129b7b16b15
135343ba2b4
142c963326d
151a1646cd2
hexff9073c1

4287656897 has 2 divisors, whose sum is σ = 4287656898. Its totient is φ = 4287656896.

The previous prime is 4287656881. The next prime is 4287656917. The reversal of 4287656897 is 7986567824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4238530816 + 49126081 = 65104^2 + 7009^2 .

It is a cyclic number.

It is not a de Polignac number, because 4287656897 - 24 = 4287656881 is a prime.

It is not a weakly prime, because it can be changed into another prime (4287656837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143828448 + 2143828449.

It is an arithmetic number, because the mean of its divisors is an integer number (2143828449).

Almost surely, 24287656897 is an apocalyptic number.

It is an amenable number.

4287656897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4287656897 is an equidigital number, since it uses as much as digits as its factorization.

4287656897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 62.

The square root of 4287656897 is about 65480.2023286428. The cubic root of 4287656897 is about 1624.5759078864.

The spelling of 4287656897 in words is "four billion, two hundred eighty-seven million, six hundred fifty-six thousand, eight hundred ninety-seven".