42491734353 has 20 divisors (see below), whose sum is σ = 66235105728. Its totient is φ = 27096177240.

The previous prime is 42491734331. The next prime is 42491734357. The reversal of 42491734353 is 35343719424.

42491734353 is a `hidden beast` number, since 4 + 2 + 49 + 173 + 435 + 3 = 666.

It is not a de Polignac number, because 42491734353 - 2⁶ = 42491734289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42491734299 and 42491734308.

It is not an unprimeable number, because it can be changed into a prime (42491734357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11402253 + ... + 11405978.

Almost surely, 2^42491734353 is an apocalyptic number.

It is an amenable number.

42491734353 is a deficient number, since it is larger than the sum of its proper divisors (23743371375).

42491734353 is a wasteful number, since it uses less digits than its factorization.

42491734353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22808266 (or 22808257 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The spelling of 42491734353 in words is "forty-two billion, four hundred ninety-one million, seven hundred thirty-four thousand, three hundred fifty-three".