1321414550364 has 24 divisors (see below), whose sum is σ = 3083815784448. Its totient is φ = 440397921520.

The previous prime is 1321414550363. The next prime is 1321414550399. The reversal of 1321414550364 is 4630554141231.

It is a super-2 number, since 2×1321414550364² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321414550363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124572 + ... + 9268259.

It is an arithmetic number, because the mean of its divisors is an integer number (128492324352).

Almost surely, 2^{1321414550364} is an apocalyptic number.

It is an amenable number.

1321414550364 is an abundant number, since it is smaller than the sum of its proper divisors (1762401234084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321414550364 is a wasteful number, since it uses less digits than its factorization.

1321414550364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18398825 (or 18398823 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 1321414550364 its reverse (4630554141231), we get a palindrome (5951968691595).

The spelling of 1321414550364 in words is "one trillion, three hundred twenty-one billion, four hundred fourteen million, five hundred fifty thousand, three hundred sixty-four".