1968495833753 has 4 divisors (see below), whose sum is σ = 1968499458660. Its totient is φ = 1968492208848.

The previous prime is 1968495833723. The next prime is 1968495833783. The reversal of 1968495833753 is 3573385948691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1968495833723) and next prime (1968495833783).

It can be written as a sum of positive squares in 2 ways, for example, as 56241071104 + 1912254762649 = 237152^2 + 1382843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1968495833753 - 2²² = 1968491639449 is a prime.

It is a super-2 number, since 2×1968495833753² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968495833723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814850 + ... + 2144987.

It is an arithmetic number, because the mean of its divisors is an integer number (492124864665).

Almost surely, 2^{1968495833753} is an apocalyptic number.

It is an amenable number.

1968495833753 is a deficient number, since it is larger than the sum of its proper divisors (3624907).

1968495833753 is an equidigital number, since it uses as much as digits as its factorization.

1968495833753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624906.

The product of its digits is 587865600, while the sum is 71.

The spelling of 1968495833753 in words is "one trillion, nine hundred sixty-eight billion, four hundred ninety-five million, eight hundred thirty-three thousand, seven hundred fifty-three".