1303990644976 has 20 divisors (see below), whose sum is σ = 2580236809632. Its totient is φ = 638123081216.

The previous prime is 1303990644919. The next prime is 1303990644997. The reversal of 1303990644976 is 6794460993031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867014305 + ... + 867015808.

Almost surely, 2^{1303990644976} is an apocalyptic number.

1303990644976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1303990644976 is a deficient number, since it is larger than the sum of its proper divisors (1276246164656).

1303990644976 is a wasteful number, since it uses less digits than its factorization.

1303990644976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734030168 (or 1734030162 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 1303990644976 in words is "one trillion, three hundred three billion, nine hundred ninety million, six hundred forty-four thousand, nine hundred seventy-six".