41625331717621 has 4 divisors (see below), whose sum is σ = 41682119346892. Its totient is φ = 41568544088352.

The previous prime is 41625331717597. The next prime is 41625331717649. The reversal of 41625331717621 is 12671713352614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26990414752900 + 14634916964721 = 5195230^2 + 3825561^2 .

It is a cyclic number.

It is not a de Polignac number, because 41625331717621 - 2⁷ = 41625331717493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41625331717421) 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, 28393813536 + ... + 28393815001.

It is an arithmetic number, because the mean of its divisors is an integer number (10420529836723).

Almost surely, 2^{41625331717621} is an apocalyptic number.

It is an amenable number.

41625331717621 is a deficient number, since it is larger than the sum of its proper divisors (56787629271).

41625331717621 is an equidigital number, since it uses as much as digits as its factorization.

41625331717621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56787629270.

The product of its digits is 1270080, while the sum is 49.

The spelling of 41625331717621 in words is "forty-one trillion, six hundred twenty-five billion, three hundred thirty-one million, seven hundred seventeen thousand, six hundred twenty-one".