74834718463 has 2 divisors, whose sum is σ = 74834718464. Its totient is φ = 74834718462.

The previous prime is 74834718451. The next prime is 74834718473. The reversal of 74834718463 is 36481743847.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74834718463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74834718433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37417359231 + 37417359232.

It is an arithmetic number, because the mean of its divisors is an integer number (37417359232).

Almost surely, 2^74834718463 is an apocalyptic number.

74834718463 is a deficient number, since it is larger than the sum of its proper divisors (1).

74834718463 is an equidigital number, since it uses as much as digits as its factorization.

74834718463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 55.

The spelling of 74834718463 in words is "seventy-four billion, eight hundred thirty-four million, seven hundred eighteen thousand, four hundred sixty-three".