41034401521 has 2 divisors, whose sum is σ = 41034401522. Its totient is φ = 41034401520.

The previous prime is 41034401519. The next prime is 41034401539. The reversal of 41034401521 is 12510443014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38347430625 + 2686970896 = 195825^2 + 51836^2 .

It is a cyclic number.

It is not a de Polignac number, because 41034401521 - 2¹ = 41034401519 is a prime.

It is a super-2 number, since 2×41034401521² (a number of 22 digits) contains 22 as substring.

Together with 41034401519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41034405521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20517200760 + 20517200761.

It is an arithmetic number, because the mean of its divisors is an integer number (20517200761).

Almost surely, 2^41034401521 is an apocalyptic number.

It is an amenable number.

41034401521 is a deficient number, since it is larger than the sum of its proper divisors (1).

41034401521 is an equidigital number, since it uses as much as digits as its factorization.

41034401521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 41034401521 its reverse (12510443014), we get a palindrome (53544844535).

The spelling of 41034401521 in words is "forty-one billion, thirty-four million, four hundred one thousand, five hundred twenty-one".