1363643484 has 24 divisors (see below), whose sum is σ = 3636382848. Its totient is φ = 389612400.

The previous prime is 1363643467. The next prime is 1363643507. The reversal of 1363643484 is 4843463631.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8116842 + ... + 8117009.

It is an arithmetic number, because the mean of its divisors is an integer number (151515952).

Almost surely, 2^1363643484 is an apocalyptic number.

1363643484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1363643484 is an abundant number, since it is smaller than the sum of its proper divisors (2272739364).

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

1363643484 is a wasteful number, since it uses less digits than its factorization.

1363643484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16233865 (or 16233863 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The square root of 1363643484 is about 36927.5437038534. The cubic root of 1363643484 is about 1108.9201640362.

The spelling of 1363643484 in words is "one billion, three hundred sixty-three million, six hundred forty-three thousand, four hundred eighty-four".