42769716191 has 4 divisors (see below), whose sum is σ = 43408070232. Its totient is φ = 42131362152.

The previous prime is 42769716163. The next prime is 42769716193. The reversal of 42769716191 is 19161796724.

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

It is a cyclic number.

It is not a de Polignac number, because 42769716191 - 2¹⁴ = 42769699807 is a prime.

It is a super-3 number, since 3×42769716191³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42769716193) 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, 319176920 + ... + 319177053.

It is an arithmetic number, because the mean of its divisors is an integer number (10852017558).

Almost surely, 2^42769716191 is an apocalyptic number.

42769716191 is a deficient number, since it is larger than the sum of its proper divisors (638354041).

42769716191 is an equidigital number, since it uses as much as digits as its factorization.

42769716191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638354040.

The product of its digits is 1143072, while the sum is 53.

The spelling of 42769716191 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred sixteen thousand, one hundred ninety-one".