34000253405 has 4 divisors (see below), whose sum is σ = 40800304092. Its totient is φ = 27200202720.

The previous prime is 34000253387. The next prime is 34000253429. The reversal of 34000253405 is 50435200043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50435200043 = 1933 ⋅26091671.

It can be written as a sum of positive squares in 2 ways, for example, as 6862962649 + 27137290756 = 82843^2 + 164734^2 .

It is not a de Polignac number, because 34000253405 - 2¹⁸ = 33999991261 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, 3400025336 + ... + 3400025345.

It is an arithmetic number, because the mean of its divisors is an integer number (10200076023).

Almost surely, 2^34000253405 is an apocalyptic number.

It is an amenable number.

34000253405 is a deficient number, since it is larger than the sum of its proper divisors (6800050687).

34000253405 is an equidigital number, since it uses as much as digits as its factorization.

34000253405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800050686.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 34000253405 its reverse (50435200043), we get a palindrome (84435453448).

The spelling of 34000253405 in words is "thirty-four billion, two hundred fifty-three thousand, four hundred five".