347528990649 has 8 divisors (see below), whose sum is σ = 463427269920. Its totient is φ = 231658352576.

The previous prime is 347528990597. The next prime is 347528990663. The reversal of 347528990649 is 946099825743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 347528990649 - 2¹¹ = 347528988601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 347528990649.

It is not an unprimeable number, because it can be changed into a prime (347528990449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880944 + ... + 6931265.

It is an arithmetic number, because the mean of its divisors is an integer number (57928408740).

Almost surely, 2^347528990649 is an apocalyptic number.

It is an amenable number.

347528990649 is a deficient number, since it is larger than the sum of its proper divisors (115898279271).

347528990649 is a wasteful number, since it uses less digits than its factorization.

347528990649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820599.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 347528990649 in words is "three hundred forty-seven billion, five hundred twenty-eight million, nine hundred ninety thousand, six hundred forty-nine".