3455405809 has 2 divisors, whose sum is σ = 3455405810. Its totient is φ = 3455405808.

The previous prime is 3455405783. The next prime is 3455405879. The reversal of 3455405809 is 9085045543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3446042209 + 9363600 = 58703^2 + 3060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3455405809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3455405879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727702904 + 1727702905.

It is an arithmetic number, because the mean of its divisors is an integer number (1727702905).

Almost surely, 2^3455405809 is an apocalyptic number.

It is an amenable number.

3455405809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3455405809 is an equidigital number, since it uses as much as digits as its factorization.

3455405809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 3455405809 is about 58782.6999124742. The cubic root of 3455405809 is about 1511.8186074830.

The spelling of 3455405809 in words is "three billion, four hundred fifty-five million, four hundred five thousand, eight hundred nine".