13434658357 has 4 divisors (see below), whose sum is σ = 14224932396. Its totient is φ = 12644384320.

The previous prime is 13434658351. The next prime is 13434658399. The reversal of 13434658357 is 75385643431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5185296081 + 8249362276 = 72009^2 + 90826^2 .

It is a cyclic number.

It is not a de Polignac number, because 13434658357 - 2¹¹ = 13434656309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13434658357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434658351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395136994 + ... + 395137027.

It is an arithmetic number, because the mean of its divisors is an integer number (3556233099).

Almost surely, 2^13434658357 is an apocalyptic number.

13434658357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13434658357 is a deficient number, since it is larger than the sum of its proper divisors (790274039).

13434658357 is an equidigital number, since it uses as much as digits as its factorization.

13434658357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790274038.

The product of its digits is 3628800, while the sum is 49.

The spelling of 13434658357 in words is "thirteen billion, four hundred thirty-four million, six hundred fifty-eight thousand, three hundred fifty-seven".