41215902289 has 3 divisors (see below), whose sum is σ = 41216105307. Its totient is φ = 41215699272.

The previous prime is 41215902283. The next prime is 41215902311. The reversal of 41215902289 is 98220951214.

The square root of 41215902289 is 203017.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98220951214 = 2 ⋅49110475607.

It can be written as a sum of positive squares in only one way, i.e., 1132659025 + 40083243264 = 33655^2 + 200208^2 .

It is not a de Polignac number, because 41215902289 - 2⁵ = 41215902257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41215902283) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 101509 + ... + 304525.

It is an arithmetic number, because the mean of its divisors is an integer number (13738701769).

Almost surely, 2^41215902289 is an apocalyptic number.

41215902289 is the 203017-th square number.

41215902289 is the 101509-th centered octagonal number.

It is an amenable number.

41215902289 is a deficient number, since it is larger than the sum of its proper divisors (203018).

41215902289 is an frugal number, since it uses more digits than its factorization.

41215902289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406034 (or 203017 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 41215902289 in words is "forty-one billion, two hundred fifteen million, nine hundred two thousand, two hundred eighty-nine".