42794350447 has 2 divisors, whose sum is σ = 42794350448. Its totient is φ = 42794350446.

The previous prime is 42794350441. The next prime is 42794350451. The reversal of 42794350447 is 74405349724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42794350447 - 2¹⁵ = 42794317679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42794350447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42794350441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21397175223 + 21397175224.

It is an arithmetic number, because the mean of its divisors is an integer number (21397175224).

Almost surely, 2^42794350447 is an apocalyptic number.

42794350447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42794350447 is an equidigital number, since it uses as much as digits as its factorization.

42794350447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 42794350447 in words is "forty-two billion, seven hundred ninety-four million, three hundred fifty thousand, four hundred forty-seven".