3429777209 has 2 divisors, whose sum is σ = 3429777210. Its totient is φ = 3429777208.

The previous prime is 3429777193. The next prime is 3429777233. The reversal of 3429777209 is 9027779243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3280081984 + 149695225 = 57272^2 + 12235^2 .

It is a cyclic number.

It is not a de Polignac number, because 3429777209 - 2⁴ = 3429777193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3429770209) 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, 1714888604 + 1714888605.

It is an arithmetic number, because the mean of its divisors is an integer number (1714888605).

Almost surely, 2^3429777209 is an apocalyptic number.

It is an amenable number.

3429777209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3429777209 is an equidigital number, since it uses as much as digits as its factorization.

3429777209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The square root of 3429777209 is about 58564.2997823760. The cubic root of 3429777209 is about 1508.0716300256.

The spelling of 3429777209 in words is "three billion, four hundred twenty-nine million, seven hundred seventy-seven thousand, two hundred nine".