34491212347 has 4 divisors (see below), whose sum is σ = 34504994800. Its totient is φ = 34477429896.

The previous prime is 34491212339. The next prime is 34491212351. The reversal of 34491212347 is 74321219443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74321219443 = 131 ⋅567337553.

It is a cyclic number.

It is not a de Polignac number, because 34491212347 - 2³ = 34491212339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34491212377) 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, 6887472 + ... + 6892477.

It is an arithmetic number, because the mean of its divisors is an integer number (8626248700).

Almost surely, 2^34491212347 is an apocalyptic number.

34491212347 is a deficient number, since it is larger than the sum of its proper divisors (13782453).

34491212347 is a wasteful number, since it uses less digits than its factorization.

34491212347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782452.

The product of its digits is 145152, while the sum is 40.

The spelling of 34491212347 in words is "thirty-four billion, four hundred ninety-one million, two hundred twelve thousand, three hundred forty-seven".