1673140303 has 2 divisors, whose sum is σ = 1673140304. Its totient is φ = 1673140302.

The previous prime is 1673140279. The next prime is 1673140309. The reversal of 1673140303 is 3030413761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1673140303 - 2²¹ = 1671043151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673140309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836570151 + 836570152.

It is an arithmetic number, because the mean of its divisors is an integer number (836570152).

Almost surely, 2^1673140303 is an apocalyptic number.

1673140303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673140303 is an equidigital number, since it uses as much as digits as its factorization.

1673140303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1673140303 is about 40904.0377346785. The cubic root of 1673140303 is about 1187.1641871941.

The spelling of 1673140303 in words is "one billion, six hundred seventy-three million, one hundred forty thousand, three hundred three".