3556461420065 has 16 divisors (see below), whose sum is σ = 4629012630480. Its totient is φ = 2612493895680.

The previous prime is 3556461420049. The next prime is 3556461420067. The reversal of 3556461420065 is 5600241646553.

3556461420065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 247733161984 + 3308728258081 = 497728^2 + 1818991^2 .

It is not a de Polignac number, because 3556461420065 - 2⁴ = 3556461420049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3556461420067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510249230 + ... + 510256199.

It is an arithmetic number, because the mean of its divisors is an integer number (289313289405).

Almost surely, 2^{3556461420065} is an apocalyptic number.

It is an amenable number.

3556461420065 is a deficient number, since it is larger than the sum of its proper divisors (1072551210415).

3556461420065 is a wasteful number, since it uses less digits than its factorization.

3556461420065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020505492.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 3556461420065 in words is "three trillion, five hundred fifty-six billion, four hundred sixty-one million, four hundred twenty thousand, sixty-five".