673832653 has 4 divisors (see below), whose sum is σ = 725665948. Its totient is φ = 621999360.

The previous prime is 673832639. The next prime is 673832699. The reversal of 673832653 is 356238376.

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 301265449 + 372567204 = 17357^2 + 19302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673832653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673832053) 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, 25916628 + ... + 25916653.

It is an arithmetic number, because the mean of its divisors is an integer number (181416487).

Almost surely, 2^673832653 is an apocalyptic number.

It is an amenable number.

673832653 is a deficient number, since it is larger than the sum of its proper divisors (51833295).

673832653 is a wasteful number, since it uses less digits than its factorization.

673832653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51833294.

The product of its digits is 544320, while the sum is 43.

The square root of 673832653 is about 25958.2867886153. The cubic root of 673832653 is about 876.6993491810.

The spelling of 673832653 in words is "six hundred seventy-three million, eight hundred thirty-two thousand, six hundred fifty-three".