364306304261221 has 16 divisors (see below), whose sum is σ = 429782952360960. Its totient is φ = 302187983898240.

The previous prime is 364306304261203. The next prime is 364306304261243. The reversal of 364306304261221 is 122162403603463.

It is a cyclic number.

It is not a de Polignac number, because 364306304261221 - 2⁹ = 364306304260709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364306304261021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38243775 + ... + 46810243.

It is an arithmetic number, because the mean of its divisors is an integer number (26861434522560).

Almost surely, 2^{364306304261221} is an apocalyptic number.

364306304261221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

364306304261221 is a deficient number, since it is larger than the sum of its proper divisors (65476648099739).

364306304261221 is a wasteful number, since it uses less digits than its factorization.

364306304261221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762484.

The product of its (nonzero) digits is 746496, while the sum is 43.

Adding to 364306304261221 its reverse (122162403603463), we get a palindrome (486468707864684).

The spelling of 364306304261221 in words is "three hundred sixty-four trillion, three hundred six billion, three hundred four million, two hundred sixty-one thousand, two hundred twenty-one".