1353333304421 has 48 divisors (see below), whose sum is σ = 1594139811840. Its totient is φ = 1148838163200.

The previous prime is 1353333304339. The next prime is 1353333304481. The reversal of 1353333304421 is 1244033333531.

It is a de Polignac number, because none of the positive numbers 2^k-1353333304421 is a prime.

It is a super-2 number, since 2×1353333304421² (a number of 25 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 (1353333304481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058117660 + ... + 1058118938.

It is an arithmetic number, because the mean of its divisors is an integer number (33211246080).

Almost surely, 2^{1353333304421} is an apocalyptic number.

It is an amenable number.

1353333304421 is a deficient number, since it is larger than the sum of its proper divisors (240806507419).

1353333304421 is an frugal number, since it uses more digits than its factorization.

1353333304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 1353333304421 its reverse (1244033333531), we get a palindrome (2597366637952).

The spelling of 1353333304421 in words is "one trillion, three hundred fifty-three billion, three hundred thirty-three million, three hundred four thousand, four hundred twenty-one".