3449436994673 has 2 divisors, whose sum is σ = 3449436994674. Its totient is φ = 3449436994672.

The previous prime is 3449436994667. The next prime is 3449436994771. The reversal of 3449436994673 is 3764996349443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1857845328784 + 1591591665889 = 1363028^2 + 1261583^2 .

It is a cyclic number.

It is not a de Polignac number, because 3449436994673 - 2¹² = 3449436990577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3449436994597 and 3449436994606.

It is not a weakly prime, because it can be changed into another prime (3449436994603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724718497336 + 1724718497337.

It is an arithmetic number, because the mean of its divisors is an integer number (1724718497337).

Almost surely, 2^{3449436994673} is an apocalyptic number.

It is an amenable number.

3449436994673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449436994673 is an equidigital number, since it uses as much as digits as its factorization.

3449436994673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1269789696, while the sum is 71.

The spelling of 3449436994673 in words is "three trillion, four hundred forty-nine billion, four hundred thirty-six million, nine hundred ninety-four thousand, six hundred seventy-three".