41621420417 has 4 divisors (see below), whose sum is σ = 42148273920. Its totient is φ = 41094566916.

The previous prime is 41621420413. The next prime is 41621420441. The reversal of 41621420417 is 71402412614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41621420417 - 2² = 41621420413 is a prime.

It is a super-3 number, since 3×41621420417³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41621420411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263426633 + ... + 263426790.

It is an arithmetic number, because the mean of its divisors is an integer number (10537068480).

Almost surely, 2^41621420417 is an apocalyptic number.

It is an amenable number.

41621420417 is a deficient number, since it is larger than the sum of its proper divisors (526853503).

41621420417 is an equidigital number, since it uses as much as digits as its factorization.

41621420417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526853502.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 41621420417 in words is "forty-one billion, six hundred twenty-one million, four hundred twenty thousand, four hundred seventeen".