34278108149 has 4 divisors (see below), whose sum is σ = 34281522540. Its totient is φ = 34274693760.

The previous prime is 34278108119. The next prime is 34278108217. The reversal of 34278108149 is 94180187243.

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 14347727524 + 19930380625 = 119782^2 + 141175^2 .

It is a cyclic number.

It is not a de Polignac number, because 34278108149 - 2²⁸ = 34009672693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34278108119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692092 + ... + 1712229.

It is an arithmetic number, because the mean of its divisors is an integer number (8570380635).

Almost surely, 2^34278108149 is an apocalyptic number.

It is an amenable number.

34278108149 is a deficient number, since it is larger than the sum of its proper divisors (3414391).

34278108149 is a wasteful number, since it uses less digits than its factorization.

34278108149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414390.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 34278108149 in words is "thirty-four billion, two hundred seventy-eight million, one hundred eight thousand, one hundred forty-nine".