3451573409 has 2 divisors, whose sum is σ = 3451573410. Its totient is φ = 3451573408.

The previous prime is 3451573351. The next prime is 3451573423. The reversal of 3451573409 is 9043751543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3416051809 + 35521600 = 58447^2 + 5960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3451573409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3451573429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725786704 + 1725786705.

It is an arithmetic number, because the mean of its divisors is an integer number (1725786705).

Almost surely, 2^3451573409 is an apocalyptic number.

It is an amenable number.

3451573409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3451573409 is an equidigital number, since it uses as much as digits as its factorization.

3451573409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 3451573409 is about 58750.0928424798. The cubic root of 3451573409 is about 1511.2594800095.

The spelling of 3451573409 in words is "three billion, four hundred fifty-one million, five hundred seventy-three thousand, four hundred nine".