1645330432363 has 8 divisors (see below), whose sum is σ = 1649985023808. Its totient is φ = 1640676773184.

The previous prime is 1645330432271. The next prime is 1645330432387. The reversal of 1645330432363 is 3632340335461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1645330432363 is a prime.

It is a super-3 number, since 3×1645330432363³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1645330402363) 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, 3380745 + ... + 3836677.

It is an arithmetic number, because the mean of its divisors is an integer number (206248127976).

Almost surely, 2^{1645330432363} is an apocalyptic number.

1645330432363 is a deficient number, since it is larger than the sum of its proper divisors (4654591445).

1645330432363 is an equidigital number, since it uses as much as digits as its factorization.

1645330432363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466133.

The product of its (nonzero) digits is 1399680, while the sum is 43.

The spelling of 1645330432363 in words is "one trillion, six hundred forty-five billion, three hundred thirty million, four hundred thirty-two thousand, three hundred sixty-three".