3420523409 has 2 divisors, whose sum is σ = 3420523410. Its totient is φ = 3420523408.

The previous prime is 3420523391. The next prime is 3420523427. The reversal of 3420523409 is 9043250243.

It is a balanced prime because it is at equal distance from previous prime (3420523391) and next prime (3420523427).

It can be written as a sum of positive squares in only one way, i.e., 2352541009 + 1067982400 = 48503^2 + 32680^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420523409 - 2⁸ = 3420523153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420523439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710261704 + 1710261705.

It is an arithmetic number, because the mean of its divisors is an integer number (1710261705).

Almost surely, 2^3420523409 is an apocalyptic number.

It is an amenable number.

3420523409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420523409 is an equidigital number, since it uses as much as digits as its factorization.

3420523409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3420523409 is about 58485.2409501748. The cubic root of 3420523409 is about 1506.7141110431.

The spelling of 3420523409 in words is "three billion, four hundred twenty million, five hundred twenty-three thousand, four hundred nine".