34105423405 has 4 divisors (see below), whose sum is σ = 40926508092. Its totient is φ = 27284338720.

The previous prime is 34105423379. The next prime is 34105423427. The reversal of 34105423405 is 50432450143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50432450143 = 30577 ⋅1649359.

It can be written as a sum of positive squares in 2 ways, for example, as 3877428361 + 30227995044 = 62269^2 + 173862^2 .

It is not a de Polignac number, because 34105423405 - 2²¹ = 34103326253 is a prime.

It is a Duffinian number.

It is a congruent 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, 3410542336 + ... + 3410542345.

It is an arithmetic number, because the mean of its divisors is an integer number (10231627023).

Almost surely, 2^34105423405 is an apocalyptic number.

It is an amenable number.

34105423405 is a deficient number, since it is larger than the sum of its proper divisors (6821084687).

34105423405 is an equidigital number, since it uses as much as digits as its factorization.

34105423405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821084686.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 34105423405 its reverse (50432450143), we get a palindrome (84537873548).

The spelling of 34105423405 in words is "thirty-four billion, one hundred five million, four hundred twenty-three thousand, four hundred five".