1329746983 has 8 divisors (see below), whose sum is σ = 1359023040. Its totient is φ = 1300512000.

The previous prime is 1329746969. The next prime is 1329746989. The reversal of 1329746983 is 3896479231.

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 1329746983 - 2⁹ = 1329746471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1329746983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329746989) 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, 60483 + ... + 79483.

It is an arithmetic number, because the mean of its divisors is an integer number (169877880).

Almost surely, 2^1329746983 is an apocalyptic number.

1329746983 is a deficient number, since it is larger than the sum of its proper divisors (29276057).

1329746983 is a wasteful number, since it uses less digits than its factorization.

1329746983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537.

The product of its digits is 1959552, while the sum is 52.

The square root of 1329746983 is about 36465.6959758072. The cubic root of 1329746983 is about 1099.6547078769.

The spelling of 1329746983 in words is "one billion, three hundred twenty-nine million, seven hundred forty-six thousand, nine hundred eighty-three".