41415921421 has 16 divisors (see below), whose sum is σ = 47540642688. Its totient is φ = 35343360000.

The previous prime is 41415921419. The next prime is 41415921461. The reversal of 41415921421 is 12412951414.

It is a cyclic number.

It is not a de Polignac number, because 41415921421 - 2¹ = 41415921419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41415921461) 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, 8292301 + ... + 8297293.

It is an arithmetic number, because the mean of its divisors is an integer number (2971290168).

Almost surely, 2^41415921421 is an apocalyptic number.

It is an amenable number.

41415921421 is a deficient number, since it is larger than the sum of its proper divisors (6124721267).

41415921421 is a wasteful number, since it uses less digits than its factorization.

41415921421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972.

The product of its digits is 11520, while the sum is 34.

The spelling of 41415921421 in words is "forty-one billion, four hundred fifteen million, nine hundred twenty-one thousand, four hundred twenty-one".