1673741364645 has 16 divisors (see below), whose sum is σ = 3060555638400. Its totient is φ = 765138909504.

The previous prime is 1673741364593. The next prime is 1673741364667. The reversal of 1673741364645 is 5464631473761.

It is not a de Polignac number, because 1673741364645 - 2⁷ = 1673741364517 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7970196870 + ... + 7970197079.

It is an arithmetic number, because the mean of its divisors is an integer number (191284727400).

Almost surely, 2^{1673741364645} is an apocalyptic number.

1673741364645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1673741364645 is a deficient number, since it is larger than the sum of its proper divisors (1386814273755).

1673741364645 is a wasteful number, since it uses less digits than its factorization.

1673741364645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15940393964.

The product of its digits is 30481920, while the sum is 57.

The spelling of 1673741364645 in words is "one trillion, six hundred seventy-three billion, seven hundred forty-one million, three hundred sixty-four thousand, six hundred forty-five".