321630356611049 has 32 divisors (see below), whose sum is σ = 330698852668800. Its totient is φ = 312716004023808.

The previous prime is 321630356611037. The next prime is 321630356611073. The reversal of 321630356611049 is 940116653036123.

It is a cyclic number.

It is not a de Polignac number, because 321630356611049 - 2¹⁶ = 321630356545513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321630356610988 and 321630356611006.

It is not an unprimeable number, because it can be changed into a prime (321630356611019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2800941974 + ... + 2801056800.

It is an arithmetic number, because the mean of its divisors is an integer number (10334339145900).

Almost surely, 2^{321630356611049} is an apocalyptic number.

It is an amenable number.

321630356611049 is a deficient number, since it is larger than the sum of its proper divisors (9068496057751).

321630356611049 is a wasteful number, since it uses less digits than its factorization.

321630356611049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116777.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 321630356611049 in words is "three hundred twenty-one trillion, six hundred thirty billion, three hundred fifty-six million, six hundred eleven thousand, forty-nine".