41355523613 has 4 divisors (see below), whose sum is σ = 41358112668. Its totient is φ = 41352934560.

The previous prime is 41355523597. The next prime is 41355523697. The reversal of 41355523613 is 31632555314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4689784324 + 36665739289 = 68482^2 + 191483^2 .

It is a cyclic number.

It is not a de Polignac number, because 41355523613 - 2⁴ = 41355523597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41355523513) 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 in 3 ways as a sum of consecutive naturals, for example, 1270418 + ... + 1302563.

It is an arithmetic number, because the mean of its divisors is an integer number (10339528167).

Almost surely, 2^41355523613 is an apocalyptic number.

It is an amenable number.

41355523613 is a deficient number, since it is larger than the sum of its proper divisors (2589055).

41355523613 is a wasteful number, since it uses less digits than its factorization.

41355523613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589054.

The product of its digits is 162000, while the sum is 38.

The spelling of 41355523613 in words is "forty-one billion, three hundred fifty-five million, five hundred twenty-three thousand, six hundred thirteen".