1273663949304 has 32 divisors (see below), whose sum is σ = 3322601608320. Its totient is φ = 406095751776.

The previous prime is 1273663949269. The next prime is 1273663949347. The reversal of 1273663949304 is 4039493663721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153680562 + ... + 1153681665.

It is an arithmetic number, because the mean of its divisors is an integer number (103831300260).

Almost surely, 2^{1273663949304} is an apocalyptic number.

It is an amenable number.

1273663949304 is an abundant number, since it is smaller than the sum of its proper divisors (2048937659016).

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

1273663949304 is a wasteful number, since it uses less digits than its factorization.

1273663949304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307362259 (or 2307362255 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 1273663949304 in words is "one trillion, two hundred seventy-three billion, six hundred sixty-three million, nine hundred forty-nine thousand, three hundred four".