3146765916869 has 4 divisors (see below), whose sum is σ = 3146774709996. Its totient is φ = 3146757123744.

The previous prime is 3146765916841. The next prime is 3146765916911. The reversal of 3146765916869 is 9686195676413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1464492066244 + 1682273850625 = 1210162^2 + 1297025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3146765916869 is a prime.

It is a super-2 number, since 2×3146765916869² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146765912869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3835934 + ... + 4583439.

It is an arithmetic number, because the mean of its divisors is an integer number (786693677499).

Almost surely, 2^{3146765916869} is an apocalyptic number.

It is an amenable number.

3146765916869 is a deficient number, since it is larger than the sum of its proper divisors (8793127).

3146765916869 is an equidigital number, since it uses as much as digits as its factorization.

3146765916869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8793126.

The product of its digits is 352719360, while the sum is 71.

The spelling of 3146765916869 in words is "three trillion, one hundred forty-six billion, seven hundred sixty-five million, nine hundred sixteen thousand, eight hundred sixty-nine".