1673804141 has 2 divisors, whose sum is σ = 1673804142. Its totient is φ = 1673804140.

The previous prime is 1673804123. The next prime is 1673804149. The reversal of 1673804141 is 1414083761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447422025 + 226382116 = 38045^2 + 15046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673804141 - 2¹⁸ = 1673541997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673804149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836902070 + 836902071.

It is an arithmetic number, because the mean of its divisors is an integer number (836902071).

Almost surely, 2^1673804141 is an apocalyptic number.

It is an amenable number.

1673804141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673804141 is an equidigital number, since it uses as much as digits as its factorization.

1673804141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1673804141 is about 40912.1515078344. The cubic root of 1673804141 is about 1187.3211735297.

The spelling of 1673804141 in words is "one billion, six hundred seventy-three million, eight hundred four thousand, one hundred forty-one".