41146609821 has 16 divisors (see below), whose sum is σ = 58789209024. Its totient is φ = 25506424064.

The previous prime is 41146609799. The next prime is 41146609843. The reversal of 41146609821 is 12890664114.

It is an interprime number because it is at equal distance from previous prime (41146609799) and next prime (41146609843).

It is a cyclic number.

It is not a de Polignac number, because 41146609821 - 2¹⁸ = 41146347677 is a prime.

It is a super-2 number, since 2×41146609821² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41146609321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4855986 + ... + 4864451.

It is an arithmetic number, because the mean of its divisors is an integer number (3674325564).

Almost surely, 2^41146609821 is an apocalyptic number.

It is an amenable number.

41146609821 is a deficient number, since it is larger than the sum of its proper divisors (17642599203).

41146609821 is a wasteful number, since it uses less digits than its factorization.

41146609821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720540.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 41146609821 in words is "forty-one billion, one hundred forty-six million, six hundred nine thousand, eight hundred twenty-one".