3436021261 has 2 divisors, whose sum is σ = 3436021262. Its totient is φ = 3436021260.

The previous prime is 3436021247. The next prime is 3436021319. The reversal of 3436021261 is 1621206343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909165636 + 1526855625 = 43694^2 + 39075^2 .

It is a cyclic number.

It is not a de Polignac number, because 3436021261 - 2⁵ = 3436021229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3436091261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718010630 + 1718010631.

It is an arithmetic number, because the mean of its divisors is an integer number (1718010631).

Almost surely, 2^3436021261 is an apocalyptic number.

It is an amenable number.

3436021261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3436021261 is an equidigital number, since it uses as much as digits as its factorization.

3436021261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3436021261 is about 58617.5849127205. The cubic root of 3436021261 is about 1508.9862442521.

The spelling of 3436021261 in words is "three billion, four hundred thirty-six million, twenty-one thousand, two hundred sixty-one".