347473807989 has 32 divisors (see below), whose sum is σ = 577648757760. Its totient is φ = 180496512000.

The previous prime is 347473807981. The next prime is 347473807991. The reversal of 347473807989 is 989708374743.

It is a happy number.

It is not a de Polignac number, because 347473807989 - 2³ = 347473807981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347473807981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8021589 + ... + 8064789.

It is an arithmetic number, because the mean of its divisors is an integer number (18051523680).

Almost surely, 2^347473807989 is an apocalyptic number.

It is an amenable number.

347473807989 is a deficient number, since it is larger than the sum of its proper divisors (230174949771).

347473807989 is a wasteful number, since it uses less digits than its factorization.

347473807989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78041.

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 347473807989 in words is "three hundred forty-seven billion, four hundred seventy-three million, eight hundred seven thousand, nine hundred eighty-nine".