1363798980 has 36 divisors (see below), whose sum is σ = 4136857452. Its totient is φ = 363679680.

The previous prime is 1363798957. The next prime is 1363798991. The reversal of 1363798980 is 898973631.

It can be written as a sum of positive squares in 2 ways, for example, as 1042385796 + 321413184 = 32286^2 + 17928^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3788151 + ... + 3788510.

It is an arithmetic number, because the mean of its divisors is an integer number (114912707).

Almost surely, 2^1363798980 is an apocalyptic number.

1363798980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363798980 is an abundant number, since it is smaller than the sum of its proper divisors (2773058472).

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

1363798980 is a wasteful number, since it uses less digits than its factorization.

1363798980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576676 (or 7576671 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 1363798980 is about 36929.6490641327. The cubic root of 1363798980 is about 1108.9623124174.

The spelling of 1363798980 in words is "one billion, three hundred sixty-three million, seven hundred ninety-eight thousand, nine hundred eighty".