3867659261 has 2 divisors, whose sum is σ = 3867659262. Its totient is φ = 3867659260.

The previous prime is 3867659207. The next prime is 3867659287. The reversal of 3867659261 is 1629567683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3820476100 + 47183161 = 61810^2 + 6869^2 .

It is an emirp because it is prime and its reverse (1629567683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3867659261 - 2⁶ = 3867659197 is a prime.

It is a super-2 number, since 2×3867659261² = 29917576318398132242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3867659291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933829630 + 1933829631.

It is an arithmetic number, because the mean of its divisors is an integer number (1933829631).

Almost surely, 2^3867659261 is an apocalyptic number.

It is an amenable number.

3867659261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3867659261 is an equidigital number, since it uses as much as digits as its factorization.

3867659261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 3867659261 is about 62190.5078046481. The cubic root of 3867659261 is about 1569.6978688904.

The spelling of 3867659261 in words is "three billion, eight hundred sixty-seven million, six hundred fifty-nine thousand, two hundred sixty-one".