1239331817053 has 8 divisors (see below), whose sum is σ = 1352465069760. Its totient is φ = 1126276351680.

The previous prime is 1239331817033. The next prime is 1239331817063. The reversal of 1239331817053 is 3507181339321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1239331817053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1239331816994 and 1239331817012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239331817033) 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, 19413513 + ... + 19477246.

It is an arithmetic number, because the mean of its divisors is an integer number (169058133720).

Almost surely, 2^{1239331817053} is an apocalyptic number.

It is an amenable number.

1239331817053 is a deficient number, since it is larger than the sum of its proper divisors (113133252707).

1239331817053 is a wasteful number, since it uses less digits than its factorization.

1239331817053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38893667.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 1239331817053 in words is "one trillion, two hundred thirty-nine billion, three hundred thirty-one million, eight hundred seventeen thousand, fifty-three".