1980329603 has 8 divisors (see below), whose sum is σ = 2285207808. Its totient is φ = 1680944904.

The previous prime is 1980329599. The next prime is 1980329621. The reversal of 1980329603 is 3069230891.

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 1980329603 - 2² = 1980329599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980329203) 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, 1372601 + ... + 1374042.

It is an arithmetic number, because the mean of its divisors is an integer number (285650976).

Almost surely, 2^1980329603 is an apocalyptic number.

1980329603 is a deficient number, since it is larger than the sum of its proper divisors (304878205).

1980329603 is a wasteful number, since it uses less digits than its factorization.

1980329603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746753.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1980329603 is about 44500.8944067420. The cubic root of 1980329603 is about 1255.7769093658.

The spelling of 1980329603 in words is "one billion, nine hundred eighty million, three hundred twenty-nine thousand, six hundred three".