1321650430063 has 8 divisors (see below), whose sum is σ = 1353905174160. Its totient is φ = 1289396608320.

The previous prime is 1321650430057. The next prime is 1321650430097. The reversal of 1321650430063 is 3600340561231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321650430063 - 2⁹ = 1321650429551 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 (1321650430033) 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, 3334656 + ... + 3709882.

It is an arithmetic number, because the mean of its divisors is an integer number (169238146770).

Almost surely, 2^{1321650430063} is an apocalyptic number.

1321650430063 is a deficient number, since it is larger than the sum of its proper divisors (32254744097).

1321650430063 is an equidigital number, since it uses as much as digits as its factorization.

1321650430063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461177.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 1321650430063 its reverse (3600340561231), we get a palindrome (4921990991294).

The spelling of 1321650430063 in words is "one trillion, three hundred twenty-one billion, six hundred fifty million, four hundred thirty thousand, sixty-three".