347656674421 has 32 divisors (see below), whose sum is σ = 421740380160. Its totient is φ = 279765793536.

The previous prime is 347656674397. The next prime is 347656674427. The reversal of 347656674421 is 124476656743.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347656674421 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 (347656674427) 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 31 ways as a sum of consecutive naturals, for example, 109773180 + ... + 109776346.

It is an arithmetic number, because the mean of its divisors is an integer number (13179386880).

Almost surely, 2^347656674421 is an apocalyptic number.

It is an amenable number.

347656674421 is a deficient number, since it is larger than the sum of its proper divisors (74083705739).

347656674421 is a wasteful number, since it uses less digits than its factorization.

347656674421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193.

The product of its digits is 20321280, while the sum is 55.

The spelling of 347656674421 in words is "three hundred forty-seven billion, six hundred fifty-six million, six hundred seventy-four thousand, four hundred twenty-one".