13305454110638 has 32 divisors (see below), whose sum is σ = 21273737784480. Its totient is φ = 6219493632000.

The previous prime is 13305454110541. The next prime is 13305454110643. The reversal of 13305454110638 is 83601145450331.

It is a congruent number.

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, 9243638 + ... + 10585638.

It is an arithmetic number, because the mean of its divisors is an integer number (664804305765).

Almost surely, 2^{13305454110638} is an apocalyptic number.

13305454110638 is a deficient number, since it is larger than the sum of its proper divisors (7968283673842).

13305454110638 is a wasteful number, since it uses less digits than its factorization.

13305454110638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343972.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 13305454110638 its reverse (83601145450331), we get a palindrome (96906599560969).

The spelling of 13305454110638 in words is "thirteen trillion, three hundred five billion, four hundred fifty-four million, one hundred ten thousand, six hundred thirty-eight".