13420253535 has 64 divisors (see below), whose sum is σ = 23924218752. Its totient is φ = 6380937216.

The previous prime is 13420253503. The next prime is 13420253563. The reversal of 13420253535 is 53535202431.

It is not a de Polignac number, because 13420253535 - 2⁵ = 13420253503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13420253496 and 13420253505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 981667 + ... + 995243.

It is an arithmetic number, because the mean of its divisors is an integer number (373815918).

Almost surely, 2^13420253535 is an apocalyptic number.

13420253535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13420253535 is a deficient number, since it is larger than the sum of its proper divisors (10503965217).

13420253535 is a wasteful number, since it uses less digits than its factorization.

13420253535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13772.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 13420253535 its reverse (53535202431), we get a palindrome (66955455966).

The spelling of 13420253535 in words is "thirteen billion, four hundred twenty million, two hundred fifty-three thousand, five hundred thirty-five".