1673446684690 has 24 divisors (see below), whose sum is σ = 3310935013260. Its totient is φ = 608526066720.

The previous prime is 1673446684619. The next prime is 1673446684691. The reversal of 1673446684690 is 964866443761.

It can be written as a sum of positive squares in 2 ways, for example, as 1673372500921 + 74183769 = 1293589^2 + 8613^2 .

It is a super-2 number, since 2×1673446684690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1673446684691) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 691505685 + ... + 691508104.

Almost surely, 2^{1673446684690} is an apocalyptic number.

1673446684690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673446684690 is a deficient number, since it is larger than the sum of its proper divisors (1637488328570).

1673446684690 is a wasteful number, since it uses less digits than its factorization.

1673446684690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383013818 (or 1383013807 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 1673446684690 in words is "one trillion, six hundred seventy-three billion, four hundred forty-six million, six hundred eighty-four thousand, six hundred ninety".