34942180391 has 4 divisors (see below), whose sum is σ = 34972486992. Its totient is φ = 34911873792.

The previous prime is 34942180373. The next prime is 34942180411. The reversal of 34942180391 is 19308124943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19308124943 = 47 ⋅410811169.

It is a cyclic number.

It is not a de Polignac number, because 34942180391 - 2¹⁰ = 34942179367 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 (34942183391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15151571 + ... + 15153876.

It is an arithmetic number, because the mean of its divisors is an integer number (8743121748).

Almost surely, 2^34942180391 is an apocalyptic number.

34942180391 is a deficient number, since it is larger than the sum of its proper divisors (30306601).

34942180391 is a wasteful number, since it uses less digits than its factorization.

34942180391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30306600.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 34942180391 in words is "thirty-four billion, nine hundred forty-two million, one hundred eighty thousand, three hundred ninety-one".