321462471256653 has 4 divisors (see below), whose sum is σ = 428616628342208. Its totient is φ = 214308314171100.

The previous prime is 321462471256649. The next prime is 321462471256727. The reversal of 321462471256653 is 356652174264123.

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 not a de Polignac number, because 321462471256653 - 2² = 321462471256649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321462471256593 and 321462471256602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321462473256653) 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, 53577078542773 + ... + 53577078542778.

It is an arithmetic number, because the mean of its divisors is an integer number (107154157085552).

Almost surely, 2^{321462471256653} is an apocalyptic number.

It is an amenable number.

321462471256653 is a deficient number, since it is larger than the sum of its proper divisors (107154157085555).

321462471256653 is a wasteful number, since it uses less digits than its factorization.

321462471256653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107154157085554.

The product of its digits is 43545600, while the sum is 57.

The spelling of 321462471256653 in words is "three hundred twenty-one trillion, four hundred sixty-two billion, four hundred seventy-one million, two hundred fifty-six thousand, six hundred fifty-three".