41551023421 has 8 divisors (see below), whose sum is σ = 42960432600. Its totient is φ = 40156688448.

The previous prime is 41551023407. The next prime is 41551023473. The reversal of 41551023421 is 12432015514.

41551023421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9008667396 + 32542356025 = 94914^2 + 180395^2 .

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

It is not a de Polignac number, because 41551023421 - 2¹¹ = 41551021373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41551023421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41551023721) 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, 3762946 + ... + 3773971.

It is an arithmetic number, because the mean of its divisors is an integer number (5370054075).

Almost surely, 2^41551023421 is an apocalyptic number.

It is an amenable number.

41551023421 is a deficient number, since it is larger than the sum of its proper divisors (1409409179).

41551023421 is a wasteful number, since it uses less digits than its factorization.

41551023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537103.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 41551023421 its reverse (12432015514), we get a palindrome (53983038935).

The spelling of 41551023421 in words is "forty-one billion, five hundred fifty-one million, twenty-three thousand, four hundred twenty-one".