3865680323473 has 2 divisors, whose sum is σ = 3865680323474. Its totient is φ = 3865680323472.

The previous prime is 3865680323459. The next prime is 3865680323543. The reversal of 3865680323473 is 3743230865683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3638891977744 + 226788345729 = 1907588^2 + 476223^2 .

It is an emirp because it is prime and its reverse (3743230865683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3865680323473 - 2³³ = 3857090388881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3865680320473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932840161736 + 1932840161737.

It is an arithmetic number, because the mean of its divisors is an integer number (1932840161737).

Almost surely, 2^{3865680323473} is an apocalyptic number.

It is an amenable number.

3865680323473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3865680323473 is an equidigital number, since it uses as much as digits as its factorization.

3865680323473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 58.

The spelling of 3865680323473 in words is "three trillion, eight hundred sixty-five billion, six hundred eighty million, three hundred twenty-three thousand, four hundred seventy-three".