41605531069 has 2 divisors, whose sum is σ = 41605531070. Its totient is φ = 41605531068.

The previous prime is 41605531061. The next prime is 41605531157. The reversal of 41605531069 is 96013550614.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22935588025 + 18669943044 = 151445^2 + 136638^2 .

It is a cyclic number.

It is not a de Polignac number, because 41605531069 - 2³ = 41605531061 is a prime.

It is a super-2 number, since 2×41605531069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41605531061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20802765534 + 20802765535.

It is an arithmetic number, because the mean of its divisors is an integer number (20802765535).

Almost surely, 2^41605531069 is an apocalyptic number.

It is an amenable number.

41605531069 is a deficient number, since it is larger than the sum of its proper divisors (1).

41605531069 is an equidigital number, since it uses as much as digits as its factorization.

41605531069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 41605531069 in words is "forty-one billion, six hundred five million, five hundred thirty-one thousand, sixty-nine".