673852323456 has 192 divisors, whose sum is σ = 2211078771720. Its totient is φ = 195142680576.

The previous prime is 673852323433. The next prime is 673852323479. The reversal of 673852323456 is 654323258376.

673852323456 is a `hidden beast` number, since 6 + 7 + 38 + 523 + 2 + 34 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (673852323433) and next prime (673852323479).

It can be written as a sum of positive squares in 4 ways, for example, as 383676181056 + 290176142400 = 619416^2 + 538680^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 1068805 + ... + 1577988.

Almost surely, 2^673852323456 is an apocalyptic number.

It is an amenable number.

673852323456 is an abundant number, since it is smaller than the sum of its proper divisors (1537226448264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673852323456 is a wasteful number, since it uses less digits than its factorization.

673852323456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646843 (or 2646828 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 54.

The spelling of 673852323456 in words is "six hundred seventy-three billion, eight hundred fifty-two million, three hundred twenty-three thousand, four hundred fifty-six".