673852323457 has 4 divisors (see below), whose sum is σ = 673854387156. Its totient is φ = 673850259760.

The previous prime is 673852323433. The next prime is 673852323479. The reversal of 673852323457 is 754323258376.

673852323457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31283350641 + 642568972816 = 176871^2 + 801604^2 .

It is a cyclic number.

It is not a de Polignac number, because 673852323457 - 2⁷ = 673852323329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673852323398 and 673852323407.

It is not an unprimeable number, because it can be changed into a prime (673852323407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421858 + ... + 1235179.

It is an arithmetic number, because the mean of its divisors is an integer number (168463596789).

Almost surely, 2^673852323457 is an apocalyptic number.

It is an amenable number.

673852323457 is a deficient number, since it is larger than the sum of its proper divisors (2063699).

673852323457 is a wasteful number, since it uses less digits than its factorization.

673852323457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063698.

The product of its digits is 25401600, while the sum is 55.

The spelling of 673852323457 in words is "six hundred seventy-three billion, eight hundred fifty-two million, three hundred twenty-three thousand, four hundred fifty-seven".