321478141741 has 2 divisors, whose sum is σ = 321478141742. Its totient is φ = 321478141740.

The previous prime is 321478141631. The next prime is 321478141757. The reversal of 321478141741 is 147141874123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218131966116 + 103346175625 = 467046^2 + 321475^2 .

It is a cyclic number.

It is not a de Polignac number, because 321478141741 - 2⁷ = 321478141613 is a prime.

It is a super-2 number, since 2×321478141741² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321478141241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160739070870 + 160739070871.

It is an arithmetic number, because the mean of its divisors is an integer number (160739070871).

Almost surely, 2^321478141741 is an apocalyptic number.

It is an amenable number.

321478141741 is a deficient number, since it is larger than the sum of its proper divisors (1).

321478141741 is an equidigital number, since it uses as much as digits as its factorization.

321478141741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 43.

The spelling of 321478141741 in words is "three hundred twenty-one billion, four hundred seventy-eight million, one hundred forty-one thousand, seven hundred forty-one".