13663465046540 has 24 divisors (see below), whose sum is σ = 28802376519840. Its totient is φ = 5444605081088.

The previous prime is 13663465046477. The next prime is 13663465046557. The reversal of 13663465046540 is 4564056436631.

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, 1298803205 + ... + 1298813724.

It is an arithmetic number, because the mean of its divisors is an integer number (1200099021660).

Almost surely, 2^{13663465046540} is an apocalyptic number.

13663465046540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13663465046540 is an abundant number, since it is smaller than the sum of its proper divisors (15138911473300).

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

13663465046540 is a wasteful number, since it uses less digits than its factorization.

13663465046540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597617201 (or 2597617199 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 13663465046540 in words is "thirteen trillion, six hundred sixty-three billion, four hundred sixty-five million, forty-six thousand, five hundred forty".