13434432355 has 4 divisors (see below), whose sum is σ = 16121318832. Its totient is φ = 10747545880.

The previous prime is 13434432313. The next prime is 13434432367. The reversal of 13434432355 is 55323443431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55323443431 = 14293 ⋅3870667.

It is a de Polignac number, because none of the positive numbers 2^k-13434432355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343443231 + ... + 1343443240.

It is an arithmetic number, because the mean of its divisors is an integer number (4030329708).

Almost surely, 2^13434432355 is an apocalyptic number.

13434432355 is a deficient number, since it is larger than the sum of its proper divisors (2686886477).

13434432355 is an equidigital number, since it uses as much as digits as its factorization.

13434432355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686886476.

The product of its digits is 259200, while the sum is 37.

Adding to 13434432355 its reverse (55323443431), we get a palindrome (68757875786).

The spelling of 13434432355 in words is "thirteen billion, four hundred thirty-four million, four hundred thirty-two thousand, three hundred fifty-five".