3455138315543 has 4 divisors (see below), whose sum is σ = 3455146323600. Its totient is φ = 3455130307488.

The previous prime is 3455138315539. The next prime is 3455138315617.

3455138315543 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3455138315543 - 2² = 3455138315539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3455138315491 and 3455138315500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455138315443) 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, 3317618 + ... + 4232831.

It is an arithmetic number, because the mean of its divisors is an integer number (863786580900).

Almost surely, 2^{3455138315543} is an apocalyptic number.

3455138315543 is a deficient number, since it is larger than the sum of its proper divisors (8008057).

3455138315543 is an equidigital number, since it uses as much as digits as its factorization.

3455138315543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008056.

The product of its digits is 6480000, while the sum is 50.

The spelling of 3455138315543 in words is "three trillion, four hundred fifty-five billion, one hundred thirty-eight million, three hundred fifteen thousand, five hundred forty-three".