192746462842 has 48 divisors (see below), whose sum is σ = 313185939480. Its totient is φ = 88917783552.

The previous prime is 192746462813. The next prime is 192746462849. The reversal of 192746462842 is 248264647291.

It is a Cunningham number, because it is equal to 439029²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 184935261681 + 7811201161 = 430041^2 + 88381^2 .

It is not an unprimeable number, because it can be changed into a prime (192746462849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54802468 + ... + 54805984.

Almost surely, 2^192746462842 is an apocalyptic number.

192746462842 is a deficient number, since it is larger than the sum of its proper divisors (120439476638).

192746462842 is a wasteful number, since it uses less digits than its factorization.

192746462842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 5378 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

It can be divided in two parts, 19274 and 6462842, that added together give a square (6482116 = 2546²).

The spelling of 192746462842 in words is "one hundred ninety-two billion, seven hundred forty-six million, four hundred sixty-two thousand, eight hundred forty-two".