41274391921 has 9 divisors (see below), whose sum is σ = 48014722521. Its totient is φ = 35376831252.

The previous prime is 41274391831. The next prime is 41274391931. The reversal of 41274391921 is 12919347214.

It is a happy number.

The square root of 41274391921 is 203161.

It is a perfect power (a square), and thus also a powerful number.

41274391921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41274391921 - 2¹⁹ = 41273867633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41274391931) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1407616 + ... + 1436638.

It is an arithmetic number, because the mean of its divisors is an integer number (5334969169).

Almost surely, 2^41274391921 is an apocalyptic number.

41274391921 is the 203161-st square number.

41274391921 is the 101581-st centered octagonal number.

It is an amenable number.

41274391921 is a deficient number, since it is larger than the sum of its proper divisors (6740330600).

41274391921 is an frugal number, since it uses more digits than its factorization.

41274391921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58060 (or 29030 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The spelling of 41274391921 in words is "forty-one billion, two hundred seventy-four million, three hundred ninety-one thousand, nine hundred twenty-one".