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3868258970489 is a prime number
BaseRepresentation
bin111000010010100110001…
…100111010101101111001
3111200210122121200222210212
4320102212030322231321
51001334143244023424
612121015330320505
7546321030510014
oct70224614725571
914623577628725
103868258970489
111261579386281
12525840129135
13220a10310334
14d532094c37b
156a95038b10e
hex384a633ab79

3868258970489 has 2 divisors, whose sum is σ = 3868258970490. Its totient is φ = 3868258970488.

The previous prime is 3868258970473. The next prime is 3868258970531. The reversal of 3868258970489 is 9840798528683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3397754890000 + 470504080489 = 1843300^2 + 685933^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868258970489 - 24 = 3868258970473 is a prime.

It is a super-3 number, since 3×38682589704893 (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3868258970689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934129485244 + 1934129485245.

It is an arithmetic number, because the mean of its divisors is an integer number (1934129485245).

Almost surely, 23868258970489 is an apocalyptic number.

It is an amenable number.

3868258970489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868258970489 is an equidigital number, since it uses as much as digits as its factorization.

3868258970489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1672151040, while the sum is 77.

The spelling of 3868258970489 in words is "three trillion, eight hundred sixty-eight billion, two hundred fifty-eight million, nine hundred seventy thousand, four hundred eighty-nine".