842944949615 has 16 divisors (see below), whose sum is σ = 1016335315008. Its totient is φ = 671161710336.

The previous prime is 842944949579. The next prime is 842944949621. The reversal of 842944949615 is 516949449248.

It is a cyclic number.

It is not a de Polignac number, because 842944949615 - 2⁶ = 842944949551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596309 + ... + 1428801.

It is an arithmetic number, because the mean of its divisors is an integer number (63520957188).

Almost surely, 2^842944949615 is an apocalyptic number.

842944949615 is a deficient number, since it is larger than the sum of its proper divisors (173390365393).

842944949615 is a wasteful number, since it uses less digits than its factorization.

842944949615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833458.

The product of its digits is 89579520, while the sum is 65.

The spelling of 842944949615 in words is "eight hundred forty-two billion, nine hundred forty-four million, nine hundred forty-nine thousand, six hundred fifteen".