1673471771338 has 4 divisors (see below), whose sum is σ = 2510207657010. Its totient is φ = 836735885668.

The previous prime is 1673471771329. The next prime is 1673471771357. The reversal of 1673471771338 is 8331771743761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1605458782489 + 68012988849 = 1267067^2 + 260793^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418367942833 + ... + 418367942836.

Almost surely, 2^{1673471771338} is an apocalyptic number.

1673471771338 is a deficient number, since it is larger than the sum of its proper divisors (836735885672).

1673471771338 is an equidigital number, since it uses as much as digits as its factorization.

1673471771338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836735885671.

The product of its digits is 12446784, while the sum is 58.

The spelling of 1673471771338 in words is "one trillion, six hundred seventy-three billion, four hundred seventy-one million, seven hundred seventy-one thousand, three hundred thirty-eight".