74356809053 has 2 divisors, whose sum is σ = 74356809054. Its totient is φ = 74356809052.

The previous prime is 74356808969. The next prime is 74356809077. The reversal of 74356809053 is 35090865347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68779258564 + 5577550489 = 262258^2 + 74683^2 .

It is a cyclic number.

It is not a de Polignac number, because 74356809053 - 2²⁴ = 74340031837 is a prime.

It is a super-3 number, since 3×74356809053³ (a number of 34 digits) contains 333 as substring.

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 = 74356808992 and 74356809010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74356809253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37178404526 + 37178404527.

It is an arithmetic number, because the mean of its divisors is an integer number (37178404527).

Almost surely, 2^74356809053 is an apocalyptic number.

It is an amenable number.

74356809053 is a deficient number, since it is larger than the sum of its proper divisors (1).

74356809053 is an equidigital number, since it uses as much as digits as its factorization.

74356809053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 74356809053 in words is "seventy-four billion, three hundred fifty-six million, eight hundred nine thousand, fifty-three".