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4078867349 is a prime number
BaseRepresentation
bin1111001100011110…
…1001001110010101
3101112021002221010002
43303013221032111
531323142223344
61512424141045
7203035541354
oct36307511625
911467087102
104078867349
111803461457
1295a007785
1350007639b
142a9a0399b
1518d15344e
hexf31e9395

4078867349 has 2 divisors, whose sum is σ = 4078867350. Its totient is φ = 4078867348.

The previous prime is 4078867321. The next prime is 4078867447. The reversal of 4078867349 is 9437688704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3183780625 + 895086724 = 56425^2 + 29918^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078867349 - 224 = 4062090133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4078867294 and 4078867303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078867649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039433674 + 2039433675.

It is an arithmetic number, because the mean of its divisors is an integer number (2039433675).

Almost surely, 24078867349 is an apocalyptic number.

It is an amenable number.

4078867349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078867349 is an equidigital number, since it uses as much as digits as its factorization.

4078867349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The square root of 4078867349 is about 63866.0109056453. The cubic root of 4078867349 is about 1597.7660684881.

The spelling of 4078867349 in words is "four billion, seventy-eight million, eight hundred sixty-seven thousand, three hundred forty-nine".