360604373221 has 4 divisors (see below), whose sum is σ = 360607632844. Its totient is φ = 360601113600.

The previous prime is 360604373219. The next prime is 360604373281. The reversal of 360604373221 is 122373406063.

It is the 245155-th star number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122373406063 = 103 ⋅1188091321.

It can be written as a sum of positive squares in 2 ways, for example, as 165355276321 + 195249096900 = 406639^2 + 441870^2 .

It is a 5-Lehmer number, since φ(360604373221) divides (360604373221-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 360604373221 - 2¹ = 360604373219 is a prime.

It is a super-2 number, since 2×360604373221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360604373281) 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, 1457820 + ... + 1687141.

It is an arithmetic number, because the mean of its divisors is an integer number (90151908211).

Almost surely, 2^360604373221 is an apocalyptic number.

It is an amenable number.

360604373221 is a deficient number, since it is larger than the sum of its proper divisors (3259623).

360604373221 is a wasteful number, since it uses less digits than its factorization.

360604373221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259622.

The product of its (nonzero) digits is 108864, while the sum is 37.

Adding to 360604373221 its reverse (122373406063), we get a palindrome (482977779284).

The spelling of 360604373221 in words is "three hundred sixty billion, six hundred four million, three hundred seventy-three thousand, two hundred twenty-one".