74083389629 has 2 divisors, whose sum is σ = 74083389630. Its totient is φ = 74083389628.

The previous prime is 74083389613. The next prime is 74083389673. The reversal of 74083389629 is 92698338047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43638374404 + 30445015225 = 208898^2 + 174485^2 .

It is a cyclic number.

It is not a de Polignac number, because 74083389629 - 2⁴ = 74083389613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74083389329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37041694814 + 37041694815.

It is an arithmetic number, because the mean of its divisors is an integer number (37041694815).

Almost surely, 2^74083389629 is an apocalyptic number.

It is an amenable number.

74083389629 is a deficient number, since it is larger than the sum of its proper divisors (1).

74083389629 is an equidigital number, since it uses as much as digits as its factorization.

74083389629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 74083389629 in words is "seventy-four billion, eighty-three million, three hundred eighty-nine thousand, six hundred twenty-nine".