42491793411 has 6 divisors (see below), whose sum is σ = 61377034940. Its totient is φ = 28327862268.

The previous prime is 42491793389. The next prime is 42491793427. The reversal of 42491793411 is 11439719424.

It is not a de Polignac number, because 42491793411 - 2⁶ = 42491793347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42491793611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2360655181 + ... + 2360655198.

Almost surely, 2^42491793411 is an apocalyptic number.

42491793411 is a deficient number, since it is larger than the sum of its proper divisors (18885241529).

42491793411 is a wasteful number, since it uses less digits than its factorization.

42491793411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721310385 (or 4721310382 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 42491793411 in words is "forty-two billion, four hundred ninety-one million, seven hundred ninety-three thousand, four hundred eleven".