3834856261 has 2 divisors, whose sum is σ = 3834856262. Its totient is φ = 3834856260.

The previous prime is 3834856169. The next prime is 3834856283. The reversal of 3834856261 is 1626584383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2600388036 + 1234468225 = 50994^2 + 35135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3834856261 - 2⁷ = 3834856133 is a prime.

It is a super-2 number, since 2×3834856261² = 29412245085061800242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3834856661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917428130 + 1917428131.

It is an arithmetic number, because the mean of its divisors is an integer number (1917428131).

Almost surely, 2^3834856261 is an apocalyptic number.

It is an amenable number.

3834856261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3834856261 is an equidigital number, since it uses as much as digits as its factorization.

3834856261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The square root of 3834856261 is about 61926.2162658110. The cubic root of 3834856261 is about 1565.2475406564.

The spelling of 3834856261 in words is "three billion, eight hundred thirty-four million, eight hundred fifty-six thousand, two hundred sixty-one".