13420688455 has 8 divisors (see below), whose sum is σ = 16108606800. Its totient is φ = 10734030336.

The previous prime is 13420688453. The next prime is 13420688483. The reversal of 13420688455 is 55488602431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13420688455 - 2¹ = 13420688453 is a prime.

It is a super-2 number, since 2×13420688455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420688453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291465 + ... + 334354.

It is an arithmetic number, because the mean of its divisors is an integer number (2013575850).

Almost surely, 2^13420688455 is an apocalyptic number.

13420688455 is a deficient number, since it is larger than the sum of its proper divisors (2687918345).

13420688455 is an equidigital number, since it uses as much as digits as its factorization.

13420688455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630113.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 13420688455 in words is "thirteen billion, four hundred twenty million, six hundred eighty-eight thousand, four hundred fifty-five".