842958472093 has 4 divisors (see below), whose sum is σ = 843660353788. Its totient is φ = 842256590400.

The previous prime is 842958472091. The next prime is 842958472099. The reversal of 842958472093 is 390274859248.

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

It can be written as a sum of positive squares in 2 ways, for example, as 437467156569 + 405491315524 = 661413^2 + 636782^2 .

It is a cyclic number.

It is not a de Polignac number, because 842958472093 - 2¹ = 842958472091 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 (842958472091) 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, 350939046 + ... + 350941447.

It is an arithmetic number, because the mean of its divisors is an integer number (210915088447).

Almost surely, 2^842958472093 is an apocalyptic number.

It is an amenable number.

842958472093 is a deficient number, since it is larger than the sum of its proper divisors (701881695).

842958472093 is a wasteful number, since it uses less digits than its factorization.

842958472093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701881694.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 842958472093 in words is "eight hundred forty-two billion, nine hundred fifty-eight million, four hundred seventy-two thousand, ninety-three".