3146712872909 has 2 divisors, whose sum is σ = 3146712872910. Its totient is φ = 3146712872908.

The previous prime is 3146712872801. The next prime is 3146712872929. The reversal of 3146712872909 is 9092782176413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597380015625 + 1549332857284 = 1263875^2 + 1244722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3146712872909 is a prime.

It is a super-2 number, since 2×3146712872909² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3146712872929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573356436454 + 1573356436455.

It is an arithmetic number, because the mean of its divisors is an integer number (1573356436455).

Almost surely, 2^{3146712872909} is an apocalyptic number.

It is an amenable number.

3146712872909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146712872909 is an equidigital number, since it uses as much as digits as its factorization.

3146712872909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 3146712872909 in words is "three trillion, one hundred forty-six billion, seven hundred twelve million, eight hundred seventy-two thousand, nine hundred nine".