489401314221 has 4 divisors (see below), whose sum is σ = 652535085632. Its totient is φ = 326267542812.

The previous prime is 489401314189. The next prime is 489401314229. The reversal of 489401314221 is 122413104984.

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 not a de Polignac number, because 489401314221 - 2⁵ = 489401314189 is a prime.

It is a super-2 number, since 2×489401314221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489401314221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489401314229) 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, 81566885701 + ... + 81566885706.

It is an arithmetic number, because the mean of its divisors is an integer number (163133771408).

Almost surely, 2^489401314221 is an apocalyptic number.

It is an amenable number.

489401314221 is a deficient number, since it is larger than the sum of its proper divisors (163133771411).

489401314221 is a wasteful number, since it uses less digits than its factorization.

489401314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163133771410.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 489401314221 in words is "four hundred eighty-nine billion, four hundred one million, three hundred fourteen thousand, two hundred twenty-one".