74830285853 has 2 divisors, whose sum is σ = 74830285854. Its totient is φ = 74830285852.

The previous prime is 74830285841. The next prime is 74830285861. The reversal of 74830285853 is 35858203847.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68783979289 + 6046306564 = 262267^2 + 77758^2 .

It is a cyclic number.

It is not a de Polignac number, because 74830285853 - 2²⁶ = 74763176989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74830285795 and 74830285804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74830284853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37415142926 + 37415142927.

It is an arithmetic number, because the mean of its divisors is an integer number (37415142927).

Almost surely, 2^74830285853 is an apocalyptic number.

It is an amenable number.

74830285853 is a deficient number, since it is larger than the sum of its proper divisors (1).

74830285853 is an equidigital number, since it uses as much as digits as its factorization.

74830285853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 74830285853 in words is "seventy-four billion, eight hundred thirty million, two hundred eighty-five thousand, eight hundred fifty-three".