411608215489 has 9 divisors (see below), whose sum is σ = 426310299363. Its totient is φ = 397396864872.

The previous prime is 411608215477. The next prime is 411608215523. The reversal of 411608215489 is 984512806114.

The square root of 411608215489 is 641567.

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

It can be written as a sum of positive squares in only one way, i.e., 215837363889 + 195770851600 = 464583^2 + 442460^2 .

It is not a de Polignac number, because 411608215489 - 2⁹ = 411608214977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411608215409) 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, 18594382 + ... + 18616504.

Almost surely, 2^411608215489 is an apocalyptic number.

411608215489 is the 641567-th square number.

411608215489 is the 320784-th centered octagonal number.

It is an amenable number.

411608215489 is a deficient number, since it is larger than the sum of its proper divisors (14702083874).

411608215489 is an frugal number, since it uses more digits than its factorization.

411608215489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44304 (or 22152 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

Multiplying 411608215489 by its sum of digits (49), we get a square (20168802558961 = 4490969²).

The spelling of 411608215489 in words is "four hundred eleven billion, six hundred eight million, two hundred fifteen thousand, four hundred eighty-nine".