219097950241 has 3 divisors (see below), whose sum is σ = 219098418321. Its totient is φ = 219097482162.

The previous prime is 219097950209. The next prime is 219097950263. The reversal of 219097950241 is 142059790912.

The square root of 219097950241 is 468079.

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.

It is not a de Polignac number, because 219097950241 - 2⁵ = 219097950209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219097450241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 234040 + ... + 702118.

It is an arithmetic number, because the mean of its divisors is an integer number (73032806107).

Almost surely, 2^219097950241 is an apocalyptic number.

219097950241 is the 468079-th square number.

219097950241 is the 234040-th centered octagonal number.

It is an amenable number.

219097950241 is a deficient number, since it is larger than the sum of its proper divisors (468080).

219097950241 is an frugal number, since it uses more digits than its factorization.

219097950241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936158 (or 468079 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

Multiplying 219097950241 by its sum of digits (49), we get a square (10735799561809 = 3276553²).

The spelling of 219097950241 in words is "two hundred nineteen billion, ninety-seven million, nine hundred fifty thousand, two hundred forty-one".