328387903963 has 4 divisors (see below), whose sum is σ = 375300461680. Its totient is φ = 281475346248.

The previous prime is 328387903939. The next prime is 328387904063. The reversal of 328387903963 is 369309783823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328387903963 - 2⁹ = 328387903451 is a prime.

It is a super-2 number, since 2×328387903963² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328387903903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23456278848 + ... + 23456278861.

It is an arithmetic number, because the mean of its divisors is an integer number (93825115420).

Almost surely, 2^328387903963 is an apocalyptic number.

328387903963 is a deficient number, since it is larger than the sum of its proper divisors (46912557717).

328387903963 is an equidigital number, since it uses as much as digits as its factorization.

328387903963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46912557716.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 328387903963 in words is "three hundred twenty-eight billion, three hundred eighty-seven million, nine hundred three thousand, nine hundred sixty-three".