3849926261 has 2 divisors, whose sum is σ = 3849926262. Its totient is φ = 3849926260.

The previous prime is 3849926251. The next prime is 3849926273. The reversal of 3849926261 is 1626299483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2734767025 + 1115159236 = 52295^2 + 33394^2 .

It is a cyclic number.

It is not a de Polignac number, because 3849926261 - 2²² = 3845731957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3849926221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924963130 + 1924963131.

It is an arithmetic number, because the mean of its divisors is an integer number (1924963131).

Almost surely, 2^3849926261 is an apocalyptic number.

It is an amenable number.

3849926261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3849926261 is an equidigital number, since it uses as much as digits as its factorization.

3849926261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 3849926261 is about 62047.7740213136. The cubic root of 3849926261 is about 1567.2952009847.

The spelling of 3849926261 in words is "three billion, eight hundred forty-nine million, nine hundred twenty-six thousand, two hundred sixty-one".