364420260521 has 16 divisors (see below), whose sum is σ = 387954572544. Its totient is φ = 341123295744.

The previous prime is 364420260493. The next prime is 364420260551. The reversal of 364420260521 is 125062024463.

It is a cyclic number.

It is not a de Polignac number, because 364420260521 - 2¹⁴ = 364420244137 is a prime.

It is a super-2 number, since 2×364420260521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (364420260551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692556 + ... + 2824658.

It is an arithmetic number, because the mean of its divisors is an integer number (24247160784).

Almost surely, 2^364420260521 is an apocalyptic number.

It is an amenable number.

364420260521 is a deficient number, since it is larger than the sum of its proper divisors (23534312023).

364420260521 is a wasteful number, since it uses less digits than its factorization.

364420260521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133000.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 364420260521 its reverse (125062024463), we get a palindrome (489482284984).

The spelling of 364420260521 in words is "three hundred sixty-four billion, four hundred twenty million, two hundred sixty thousand, five hundred twenty-one".