3464641576561 has 4 divisors (see below), whose sum is σ = 3779608992624. Its totient is φ = 3149674160500.

The previous prime is 3464641576549. The next prime is 3464641576657. The reversal of 3464641576561 is 1656751464643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3464641576561 - 2¹³ = 3464641568369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3464641576496 and 3464641576505.

It is not an unprimeable number, because it can be changed into a prime (3464641576511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157483708015 + ... + 157483708036.

It is an arithmetic number, because the mean of its divisors is an integer number (944902248156).

Almost surely, 2^{3464641576561} is an apocalyptic number.

It is an amenable number.

3464641576561 is a deficient number, since it is larger than the sum of its proper divisors (314967416063).

3464641576561 is a wasteful number, since it uses less digits than its factorization.

3464641576561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314967416062.

The product of its digits is 43545600, while the sum is 58.

The spelling of 3464641576561 in words is "three trillion, four hundred sixty-four billion, six hundred forty-one million, five hundred seventy-six thousand, five hundred sixty-one".