74115931829 has 2 divisors, whose sum is σ = 74115931830. Its totient is φ = 74115931828.

The previous prime is 74115931817. The next prime is 74115931853. The reversal of 74115931829 is 92813951147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66907582225 + 7208349604 = 258665^2 + 84902^2 .

It is a cyclic number.

It is not a de Polignac number, because 74115931829 - 2¹² = 74115927733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74115931859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37057965914 + 37057965915.

It is an arithmetic number, because the mean of its divisors is an integer number (37057965915).

Almost surely, 2^74115931829 is an apocalyptic number.

It is an amenable number.

74115931829 is a deficient number, since it is larger than the sum of its proper divisors (1).

74115931829 is an equidigital number, since it uses as much as digits as its factorization.

74115931829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The spelling of 74115931829 in words is "seventy-four billion, one hundred fifteen million, nine hundred thirty-one thousand, eight hundred twenty-nine".