1673920201 has 2 divisors, whose sum is σ = 1673920202. Its totient is φ = 1673920200.

The previous prime is 1673920163. The next prime is 1673920271. The reversal of 1673920201 is 1020293761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1499548176 + 174372025 = 38724^2 + 13205^2 .

It is an emirp because it is prime and its reverse (1020293761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1673920201 - 2¹¹ = 1673918153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673920271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836960100 + 836960101.

It is an arithmetic number, because the mean of its divisors is an integer number (836960101).

Almost surely, 2^1673920201 is an apocalyptic number.

It is an amenable number.

1673920201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673920201 is an equidigital number, since it uses as much as digits as its factorization.

1673920201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1673920201 is about 40913.5698882412. The cubic root of 1673920201 is about 1187.3486154721.

The spelling of 1673920201 in words is "one billion, six hundred seventy-three million, nine hundred twenty thousand, two hundred one".