849014815663 has 4 divisors (see below), whose sum is σ = 970302646480. Its totient is φ = 727726984848.

The previous prime is 849014815631. The next prime is 849014815667. The reversal of 849014815663 is 366518410948.

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

It is a cyclic number.

It is not a de Polignac number, because 849014815663 - 2⁵ = 849014815631 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 (849014815667) 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, 60643915398 + ... + 60643915411.

It is an arithmetic number, because the mean of its divisors is an integer number (242575661620).

Almost surely, 2^849014815663 is an apocalyptic number.

849014815663 is a deficient number, since it is larger than the sum of its proper divisors (121287830817).

849014815663 is a wasteful number, since it uses less digits than its factorization.

849014815663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121287830816.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 849014815663 in words is "eight hundred forty-nine billion, fourteen million, eight hundred fifteen thousand, six hundred sixty-three".