842615516249 has 8 divisors (see below), whose sum is σ = 907440425472. Its totient is φ = 777791797200.

The previous prime is 842615516243. The next prime is 842615516261. The reversal of 842615516249 is 942615516248.

842615516249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 842615516249 - 2¹² = 842615512153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842615516249.

It is not an unprimeable number, because it can be changed into a prime (842615516243) 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, 1640402 + ... + 2091924.

It is an arithmetic number, because the mean of its divisors is an integer number (113430053184).

Almost surely, 2^842615516249 is an apocalyptic number.

It is an amenable number.

842615516249 is a deficient number, since it is larger than the sum of its proper divisors (64824909223).

842615516249 is a wasteful number, since it uses less digits than its factorization.

842615516249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595087.

The product of its digits is 4147200, while the sum is 53.

Subtracting 842615516249 from its reverse (942615516248), we obtain a palindrome (99999999999).

The spelling of 842615516249 in words is "eight hundred forty-two billion, six hundred fifteen million, five hundred sixteen thousand, two hundred forty-nine".