1363535263664 has 80 divisors (see below), whose sum is σ = 3075152963328. Its totient is φ = 573615288576.

The previous prime is 1363535263627. The next prime is 1363535263687. The reversal of 1363535263664 is 4663625353631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802594 + ... + 2444670.

Almost surely, 2^{1363535263664} is an apocalyptic number.

1363535263664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363535263664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537576481664).

1363535263664 is an abundant number, since it is smaller than the sum of its proper divisors (1711617699664).

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

1363535263664 is a wasteful number, since it uses less digits than its factorization.

1363535263664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642442 (or 642436 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 53.

The spelling of 1363535263664 in words is "one trillion, three hundred sixty-three billion, five hundred thirty-five million, two hundred sixty-three thousand, six hundred sixty-four".