1303949790828 has 18 divisors (see below), whose sum is σ = 3296095304684. Its totient is φ = 434649930264.

The previous prime is 1303949790827. The next prime is 1303949790851. The reversal of 1303949790828 is 8280979493031.

1303949790828 is a `hidden beast` number, since 1 + 3 + 0 + 39 + 497 + 90 + 8 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1303949790827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18110413726 + ... + 18110413797.

Almost surely, 2^{1303949790828} is an apocalyptic number.

1303949790828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1303949790828 is an abundant number, since it is smaller than the sum of its proper divisors (1992145513856).

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

1303949790828 is a wasteful number, since it uses less digits than its factorization.

1303949790828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36220827533 (or 36220827528 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 1303949790828 in words is "one trillion, three hundred three billion, nine hundred forty-nine million, seven hundred ninety thousand, eight hundred twenty-eight".