1005346109 has 2 divisors, whose sum is σ = 1005346110. Its totient is φ = 1005346108.

The previous prime is 1005346099. The next prime is 1005346157. The reversal of 1005346109 is 9016435001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980316100 + 25030009 = 31310^2 + 5003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005346109 - 2⁴ = 1005346093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005346009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502673054 + 502673055.

It is an arithmetic number, because the mean of its divisors is an integer number (502673055).

Almost surely, 2^1005346109 is an apocalyptic number.

It is an amenable number.

1005346109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005346109 is an equidigital number, since it uses as much as digits as its factorization.

1005346109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1005346109 is about 31707.1933321131. The cubic root of 1005346109 is about 1001.7788700782.

The spelling of 1005346109 in words is "one billion, five million, three hundred forty-six thousand, one hundred nine".