853063645 has 8 divisors (see below), whose sum is σ = 1169915904. Its totient is φ = 584957904.

The previous prime is 853063639. The next prime is 853063649. The reversal of 853063645 is 546360358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 853063645 - 2¹¹ = 853061597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 853063598 and 853063607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853063649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12186589 + ... + 12186658.

It is an arithmetic number, because the mean of its divisors is an integer number (146239488).

Almost surely, 2^853063645 is an apocalyptic number.

It is an amenable number.

853063645 is a deficient number, since it is larger than the sum of its proper divisors (316852259).

853063645 is a wasteful number, since it uses less digits than its factorization.

853063645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24373259.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 853063645 is about 29207.2532943445. The cubic root of 853063645 is about 948.4049485203.

The spelling of 853063645 in words is "eight hundred fifty-three million, sixty-three thousand, six hundred forty-five".