842690247693 has 12 divisors (see below), whose sum is σ = 1307029772160. Its totient is φ = 481537284312.

The previous prime is 842690247689. The next prime is 842690247701. The reversal of 842690247693 is 396742096248.

It is not a de Polignac number, because 842690247693 - 2² = 842690247689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842690247653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2866293213 + ... + 2866293506.

It is an arithmetic number, because the mean of its divisors is an integer number (108919147680).

Almost surely, 2^842690247693 is an apocalyptic number.

It is an amenable number.

842690247693 is a deficient number, since it is larger than the sum of its proper divisors (464339524467).

842690247693 is a wasteful number, since it uses less digits than its factorization.

842690247693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732586736 (or 5732586729 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 842690247693 in words is "eight hundred forty-two billion, six hundred ninety million, two hundred forty-seven thousand, six hundred ninety-three".