3451451209 has 2 divisors, whose sum is σ = 3451451210. Its totient is φ = 3451451208.

The previous prime is 3451451191. The next prime is 3451451233. The reversal of 3451451209 is 9021541543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3434311609 + 17139600 = 58603^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451451209 - 2⁹ = 3451450697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3451452209) 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, 1725725604 + 1725725605.

It is an arithmetic number, because the mean of its divisors is an integer number (1725725605).

Almost surely, 2^3451451209 is an apocalyptic number.

It is an amenable number.

3451451209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3451451209 is an equidigital number, since it uses as much as digits as its factorization.

3451451209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3451451209 is about 58749.0528349181. The cubic root of 3451451209 is about 1511.2416448499.

The spelling of 3451451209 in words is "three billion, four hundred fifty-one million, four hundred fifty-one thousand, two hundred nine".