13400424345 has 32 divisors (see below), whose sum is σ = 26731238400. Its totient is φ = 5569007040.

The previous prime is 13400424293. The next prime is 13400424397. The reversal of 13400424345 is 54342400431.

It is an interprime number because it is at equal distance from previous prime (13400424293) and next prime (13400424397).

It is not a de Polignac number, because 13400424345 - 2¹⁵ = 13400391577 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5799895 + ... + 5802204.

It is an arithmetic number, because the mean of its divisors is an integer number (835351200).

Almost surely, 2^13400424345 is an apocalyptic number.

13400424345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13400424345 is a deficient number, since it is larger than the sum of its proper divisors (13330814055).

13400424345 is a wasteful number, since it uses less digits than its factorization.

13400424345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11602125.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 13400424345 its reverse (54342400431), we get a palindrome (67742824776).

The spelling of 13400424345 in words is "thirteen billion, four hundred million, four hundred twenty-four thousand, three hundred forty-five".