41147927021 has 4 divisors (see below), whose sum is σ = 41296475772. Its totient is φ = 40999378272.

The previous prime is 41147926987. The next prime is 41147927033. The reversal of 41147927021 is 12072974114.

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 18046966921 + 23100960100 = 134339^2 + 151990^2 .

It is a cyclic number.

It is not a de Polignac number, because 41147927021 - 2¹⁴ = 41147910637 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 (41147987021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74273960 + ... + 74274513.

It is an arithmetic number, because the mean of its divisors is an integer number (10324118943).

Almost surely, 2^41147927021 is an apocalyptic number.

It is an amenable number.

41147927021 is a deficient number, since it is larger than the sum of its proper divisors (148548751).

41147927021 is a wasteful number, since it uses less digits than its factorization.

41147927021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148548750.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 41147927021 in words is "forty-one billion, one hundred forty-seven million, nine hundred twenty-seven thousand, twenty-one".