331661483999 has 2 divisors, whose sum is σ = 331661484000. Its totient is φ = 331661483998.

The previous prime is 331661483987. The next prime is 331661484023. The reversal of 331661483999 is 999384166133.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331661483999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331661483099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165830741999 + 165830742000.

It is an arithmetic number, because the mean of its divisors is an integer number (165830742000).

Almost surely, 2^331661483999 is an apocalyptic number.

331661483999 is a deficient number, since it is larger than the sum of its proper divisors (1).

331661483999 is an equidigital number, since it uses as much as digits as its factorization.

331661483999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22674816, while the sum is 62.

The spelling of 331661483999 in words is "three hundred thirty-one billion, six hundred sixty-one million, four hundred eighty-three thousand, nine hundred ninety-nine".