1329239489750 has 32 divisors (see below), whose sum is σ = 2493531406080. Its totient is φ = 530585736000.

The previous prime is 1329239489687. The next prime is 1329239489777. The reversal of 1329239489750 is 579849329231.

It is a super-2 number, since 2×1329239489750² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430311 + ... + 5669810.

It is an arithmetic number, because the mean of its divisors is an integer number (77922856440).

Almost surely, 2^{1329239489750} is an apocalyptic number.

1329239489750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329239489750 is a deficient number, since it is larger than the sum of its proper divisors (1164291916330).

1329239489750 is a wasteful number, since it uses less digits than its factorization.

1329239489750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100617 (or 11100607 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 1329239489750 in words is "one trillion, three hundred twenty-nine billion, two hundred thirty-nine million, four hundred eighty-nine thousand, seven hundred fifty".