3221612464465 has 8 divisors (see below), whose sum is σ = 3866574731328. Its totient is φ = 2576863455600.

The previous prime is 3221612464373. The next prime is 3221612464481. The reversal of 3221612464465 is 5644642161223.

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

It is not a de Polignac number, because 3221612464465 - 2¹³ = 3221612456273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53281261 + ... + 53341690.

It is an arithmetic number, because the mean of its divisors is an integer number (483321841416).

Almost surely, 2^{3221612464465} is an apocalyptic number.

It is an amenable number.

3221612464465 is a deficient number, since it is larger than the sum of its proper divisors (644962266863).

3221612464465 is a wasteful number, since it uses less digits than its factorization.

3221612464465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106628999.

The product of its digits is 1658880, while the sum is 46.

The spelling of 3221612464465 in words is "three trillion, two hundred twenty-one billion, six hundred twelve million, four hundred sixty-four thousand, four hundred sixty-five".