1303784883556 has 27 divisors (see below), whose sum is σ = 2290115381547. Its totient is φ = 649475179200.

The previous prime is 1303784883487. The next prime is 1303784883631. The reversal of 1303784883556 is 6553884873031.

The square root of 1303784883556 is 1141834.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 878962500900 + 424822382656 = 937530^2 + 651784^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303784883494 and 1303784883503.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 723921856 + ... + 723923656.

Almost surely, 2^{1303784883556} is an apocalyptic number.

1303784883556 is the 1141834-th square number.

It is an amenable number.

1303784883556 is a deficient number, since it is larger than the sum of its proper divisors (986330497991).

1303784883556 is an frugal number, since it uses more digits than its factorization.

1303784883556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 1303784883556 in words is "one trillion, three hundred three billion, seven hundred eighty-four million, eight hundred eighty-three thousand, five hundred fifty-six".