849249016653 has 8 divisors (see below), whose sum is σ = 1198939788288. Its totient is φ = 532862128064.

The previous prime is 849249016643. The next prime is 849249016661. The reversal of 849249016653 is 356610942948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849249016653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 849249016593 and 849249016602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849249016643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8325970701 + ... + 8325970802.

It is an arithmetic number, because the mean of its divisors is an integer number (149867473536).

Almost surely, 2^849249016653 is an apocalyptic number.

It is an amenable number.

849249016653 is a deficient number, since it is larger than the sum of its proper divisors (349690771635).

849249016653 is a wasteful number, since it uses less digits than its factorization.

849249016653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651941523.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 849249016653 in words is "eight hundred forty-nine billion, two hundred forty-nine million, sixteen thousand, six hundred fifty-three".