41534565421 has 32 divisors (see below), whose sum is σ = 46692172800. Its totient is φ = 36780480000.

The previous prime is 41534565419. The next prime is 41534565481. The reversal of 41534565421 is 12456543514.

It is a cyclic number.

It is not a de Polignac number, because 41534565421 - 2¹ = 41534565419 is a prime.

It is a super-2 number, since 2×41534565421² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41534565481) 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 31 ways as a sum of consecutive naturals, for example, 2430535 + ... + 2447563.

It is an arithmetic number, because the mean of its divisors is an integer number (1459130400).

Almost surely, 2^41534565421 is an apocalyptic number.

41534565421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41534565421 is a deficient number, since it is larger than the sum of its proper divisors (5157607379).

41534565421 is a wasteful number, since it uses less digits than its factorization.

41534565421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17221.

The product of its digits is 288000, while the sum is 40.

The spelling of 41534565421 in words is "forty-one billion, five hundred thirty-four million, five hundred sixty-five thousand, four hundred twenty-one".