1978283330303 has 8 divisors (see below), whose sum is σ = 2261282222208. Its totient is φ = 1695381185304.

The previous prime is 1978283330291. The next prime is 1978283330321. The reversal of 1978283330303 is 3030333828791.

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 1978283330303 - 2¹⁶ = 1978283264767 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 (1978283330323) 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, 24142901 + ... + 24224702.

It is an arithmetic number, because the mean of its divisors is an integer number (282660277776).

Almost surely, 2^{1978283330303} is an apocalyptic number.

1978283330303 is a deficient number, since it is larger than the sum of its proper divisors (282998891905).

1978283330303 is an equidigital number, since it uses as much as digits as its factorization.

1978283330303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48373453.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 1978283330303 in words is "one trillion, nine hundred seventy-eight billion, two hundred eighty-three million, three hundred thirty thousand, three hundred three".