3480723828561 has 16 divisors (see below), whose sum is σ = 5304447561600. Its totient is φ = 1988802254208.

The previous prime is 3480723828539. The next prime is 3480723828623. The reversal of 3480723828561 is 1658283270843.

It is not a de Polignac number, because 3480723828561 - 2¹¹ = 3480723826513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3480723828961) 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 15 ways as a sum of consecutive naturals, for example, 7382166 + ... + 7839503.

It is an arithmetic number, because the mean of its divisors is an integer number (331527972600).

Almost surely, 2^{3480723828561} is an apocalyptic number.

It is an amenable number.

3480723828561 is a deficient number, since it is larger than the sum of its proper divisors (1823723733039).

3480723828561 is a wasteful number, since it uses less digits than its factorization.

3480723828561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15232568.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 3480723828561 in words is "three trillion, four hundred eighty billion, seven hundred twenty-three million, eight hundred twenty-eight thousand, five hundred sixty-one".