217229441054 has 4 divisors (see below), whose sum is σ = 325844161584. Its totient is φ = 108614720526.

The previous prime is 217229441017. The next prime is 217229441069. The reversal of 217229441054 is 450144922712.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54307360262 + ... + 54307360265.

It is an arithmetic number, because the mean of its divisors is an integer number (81461040396).

Almost surely, 2^217229441054 is an apocalyptic number.

217229441054 is a deficient number, since it is larger than the sum of its proper divisors (108614720530).

217229441054 is a wasteful number, since it uses less digits than its factorization.

217229441054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108614720529.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 217229441054 in words is "two hundred seventeen billion, two hundred twenty-nine million, four hundred forty-one thousand, fifty-four".