1461816411173 has 2 divisors, whose sum is σ = 1461816411174. Its totient is φ = 1461816411172.

The previous prime is 1461816411109. The next prime is 1461816411191. The reversal of 1461816411173 is 3711146181641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1270180842529 + 191635568644 = 1127023^2 + 437762^2 .

It is an emirp because it is prime and its reverse (3711146181641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1461816411173 - 2⁶ = 1461816411109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461813411173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730908205586 + 730908205587.

It is an arithmetic number, because the mean of its divisors is an integer number (730908205587).

Almost surely, 2^{1461816411173} is an apocalyptic number.

It is an amenable number.

1461816411173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461816411173 is an equidigital number, since it uses as much as digits as its factorization.

1461816411173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 44.

The spelling of 1461816411173 in words is "one trillion, four hundred sixty-one billion, eight hundred sixteen million, four hundred eleven thousand, one hundred seventy-three".