3466721867773 has 2 divisors, whose sum is σ = 3466721867774. Its totient is φ = 3466721867772.

The previous prime is 3466721867747. The next prime is 3466721867783. The reversal of 3466721867773 is 3777681276643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2396297808004 + 1070424059769 = 1547998^2 + 1034613^2 .

It is a cyclic number.

It is not a de Polignac number, because 3466721867773 - 2³⁷ = 3329282914301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3466721867699 and 3466721867708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3466721867783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733360933886 + 1733360933887.

It is an arithmetic number, because the mean of its divisors is an integer number (1733360933887).

Almost surely, 2^{3466721867773} is an apocalyptic number.

It is an amenable number.

3466721867773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3466721867773 is an equidigital number, since it uses as much as digits as its factorization.

3466721867773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 298722816, while the sum is 67.

The spelling of 3466721867773 in words is "three trillion, four hundred sixty-six billion, seven hundred twenty-one million, eight hundred sixty-seven thousand, seven hundred seventy-three".