42754067791 has 2 divisors, whose sum is σ = 42754067792. Its totient is φ = 42754067790.

The previous prime is 42754067761. The next prime is 42754067827. The reversal of 42754067791 is 19776045724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42754067791 - 2¹¹ = 42754065743 is a prime.

It is a super-4 number, since 4×42754067791⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42754067711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21377033895 + 21377033896.

It is an arithmetic number, because the mean of its divisors is an integer number (21377033896).

Almost surely, 2^42754067791 is an apocalyptic number.

42754067791 is a deficient number, since it is larger than the sum of its proper divisors (1).

42754067791 is an equidigital number, since it uses as much as digits as its factorization.

42754067791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 42754067791 in words is "forty-two billion, seven hundred fifty-four million, sixty-seven thousand, seven hundred ninety-one".