221480049741 has 4 divisors (see below), whose sum is σ = 295306732992. Its totient is φ = 147653366492.

The previous prime is 221480049731. The next prime is 221480049779. The reversal of 221480049741 is 147940084122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221480049741 - 2⁵ = 221480049709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221480049693 and 221480049702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221480049731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36913341621 + ... + 36913341626.

It is an arithmetic number, because the mean of its divisors is an integer number (73826683248).

Almost surely, 2^221480049741 is an apocalyptic number.

It is an amenable number.

221480049741 is a deficient number, since it is larger than the sum of its proper divisors (73826683251).

221480049741 is an equidigital number, since it uses as much as digits as its factorization.

221480049741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73826683250.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 221480049741 in words is "two hundred twenty-one billion, four hundred eighty million, forty-nine thousand, seven hundred forty-one".