1353421340446 has 8 divisors (see below), whose sum is σ = 2320150869360. Its totient is φ = 580037717328.

The previous prime is 1353421340407. The next prime is 1353421340497. The reversal of 1353421340446 is 6440431243531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1353421340399 and 1353421340408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48336476431 + ... + 48336476458.

It is an arithmetic number, because the mean of its divisors is an integer number (290018858670).

Almost surely, 2^{1353421340446} is an apocalyptic number.

1353421340446 is a deficient number, since it is larger than the sum of its proper divisors (966729528914).

1353421340446 is an equidigital number, since it uses as much as digits as its factorization.

1353421340446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96672952898.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 1353421340446 its reverse (6440431243531), we get a palindrome (7793852583977).

The spelling of 1353421340446 in words is "one trillion, three hundred fifty-three billion, four hundred twenty-one million, three hundred forty thousand, four hundred forty-six".