3869422261 has 2 divisors, whose sum is σ = 3869422262. Its totient is φ = 3869422260.

The previous prime is 3869422253. The next prime is 3869422279. The reversal of 3869422261 is 1622249683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2941001361 + 928420900 = 54231^2 + 30470^2 .

It is a cyclic number.

It is not a de Polignac number, because 3869422261 - 2³ = 3869422253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3869422961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934711130 + 1934711131.

It is an arithmetic number, because the mean of its divisors is an integer number (1934711131).

Almost surely, 2^3869422261 is an apocalyptic number.

It is an amenable number.

3869422261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869422261 is an equidigital number, since it uses as much as digits as its factorization.

3869422261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 3869422261 is about 62204.6803785696. The cubic root of 3869422261 is about 1569.9363384467.

It can be divided in two parts, 3869422 and 261, that added together give a palindrome (3869683).

The spelling of 3869422261 in words is "three billion, eight hundred sixty-nine million, four hundred twenty-two thousand, two hundred sixty-one".