3478890734745 has 32 divisors (see below), whose sum is σ = 5861332713600. Its totient is φ = 1757110823424.

The previous prime is 3478890734743. The next prime is 3478890734773. The reversal of 3478890734745 is 5474370988743.

It is not a de Polignac number, because 3478890734745 - 2¹ = 3478890734743 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3478890734745.

It is not an unprimeable number, because it can be changed into a prime (3478890734743) 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, 1458702 + ... + 3014231.

It is an arithmetic number, because the mean of its divisors is an integer number (183166647300).

Almost surely, 2^{3478890734745} is an apocalyptic number.

It is an amenable number.

3478890734745 is a deficient number, since it is larger than the sum of its proper divisors (2382441978855).

3478890734745 is a wasteful number, since it uses less digits than its factorization.

3478890734745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475689.

The product of its (nonzero) digits is 568995840, while the sum is 69.

The spelling of 3478890734745 in words is "three trillion, four hundred seventy-eight billion, eight hundred ninety million, seven hundred thirty-four thousand, seven hundred forty-five".