321434615641 has 8 divisors (see below), whose sum is σ = 323672547744. Its totient is φ = 319199927040.

The previous prime is 321434615629. The next prime is 321434615651. The reversal of 321434615641 is 146516434123.

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

It is a cyclic number.

It is not a de Polignac number, because 321434615641 - 2⁵ = 321434615609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321434615594 and 321434615603.

It is not an unprimeable number, because it can be changed into a prime (321434615651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611815 + ... + 1008556.

It is an arithmetic number, because the mean of its divisors is an integer number (40459068468).

Almost surely, 2^321434615641 is an apocalyptic number.

It is an amenable number.

321434615641 is a deficient number, since it is larger than the sum of its proper divisors (2237932103).

321434615641 is a wasteful number, since it uses less digits than its factorization.

321434615641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621751.

The product of its digits is 207360, while the sum is 40.

The spelling of 321434615641 in words is "three hundred twenty-one billion, four hundred thirty-four million, six hundred fifteen thousand, six hundred forty-one".