41354721641 has 8 divisors (see below), whose sum is σ = 41418548640. Its totient is φ = 41290941888.

The previous prime is 41354721619. The next prime is 41354721647. The reversal of 41354721641 is 14612745314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41354721641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41354721595 and 41354721604.

It is not an unprimeable number, because it can be changed into a prime (41354721647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994570 + ... + 2015196.

It is an arithmetic number, because the mean of its divisors is an integer number (5177318580).

Almost surely, 2^41354721641 is an apocalyptic number.

It is an amenable number.

41354721641 is a deficient number, since it is larger than the sum of its proper divisors (63826999).

41354721641 is a wasteful number, since it uses less digits than its factorization.

41354721641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23623.

The product of its digits is 80640, while the sum is 38.

The spelling of 41354721641 in words is "forty-one billion, three hundred fifty-four million, seven hundred twenty-one thousand, six hundred forty-one".