1363628481 has 16 divisors (see below), whose sum is σ = 1833216000. Its totient is φ = 901582848.

The previous prime is 1363628449. The next prime is 1363628489. The reversal of 1363628481 is 1848263631.

It is not a de Polignac number, because 1363628481 - 2⁵ = 1363628449 is a prime.

It is a super-2 number, since 2×1363628481² = 3718965268388734722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1363628489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341760 + ... + 345726.

It is an arithmetic number, because the mean of its divisors is an integer number (114576000).

Almost surely, 2^1363628481 is an apocalyptic number.

It is an amenable number.

1363628481 is a deficient number, since it is larger than the sum of its proper divisors (469587519).

1363628481 is a wasteful number, since it uses less digits than its factorization.

1363628481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888.

The product of its digits is 165888, while the sum is 42.

The square root of 1363628481 is about 36927.3405622447. The cubic root of 1363628481 is about 1108.9160971887.

The spelling of 1363628481 in words is "one billion, three hundred sixty-three million, six hundred twenty-eight thousand, four hundred eighty-one".