3145355069 has 2 divisors, whose sum is σ = 3145355070. Its totient is φ = 3145355068.

The previous prime is 3145355033. The next prime is 3145355071. The reversal of 3145355069 is 9605535413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2479044100 + 666310969 = 49790^2 + 25813^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145355069 - 2⁸ = 3145354813 is a prime.

It is a super-2 number, since 2×3145355069² = 19786517020167989522, which contains 22 as substring.

Together with 3145355071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145357069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572677534 + 1572677535.

It is an arithmetic number, because the mean of its divisors is an integer number (1572677535).

Almost surely, 2^3145355069 is an apocalyptic number.

It is an amenable number.

3145355069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145355069 is an equidigital number, since it uses as much as digits as its factorization.

3145355069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 3145355069 is about 56083.4652014299. The cubic root of 3145355069 is about 1465.1763262395.

The spelling of 3145355069 in words is "three billion, one hundred forty-five million, three hundred fifty-five thousand, sixty-nine".