1303263496976 has 80 divisors (see below), whose sum is σ = 2950081718400. Its totient is φ = 557519114880.

The previous prime is 1303263496949. The next prime is 1303263496991. The reversal of 1303263496976 is 6796943623031.

It is a happy number.

It is a super-2 number, since 2×1303263496976² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2784866 + ... + 3219006.

It is an arithmetic number, because the mean of its divisors is an integer number (36876021480).

Almost surely, 2^{1303263496976} is an apocalyptic number.

1303263496976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303263496976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475040859200).

1303263496976 is an abundant number, since it is smaller than the sum of its proper divisors (1646818221424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303263496976 is an equidigital number, since it uses as much as digits as its factorization.

1303263496976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434717 (or 434697 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 59.

The spelling of 1303263496976 in words is "one trillion, three hundred three billion, two hundred sixty-three million, four hundred ninety-six thousand, nine hundred seventy-six".