1321440476183 has 2 divisors, whose sum is σ = 1321440476184. Its totient is φ = 1321440476182.

The previous prime is 1321440476143. The next prime is 1321440476267. The reversal of 1321440476183 is 3816740441231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321440476183 - 2¹⁴ = 1321440459799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321440476143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660720238091 + 660720238092.

It is an arithmetic number, because the mean of its divisors is an integer number (660720238092).

Almost surely, 2^{1321440476183} is an apocalyptic number.

1321440476183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321440476183 is an equidigital number, since it uses as much as digits as its factorization.

1321440476183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 1321440476183 in words is "one trillion, three hundred twenty-one billion, four hundred forty million, four hundred seventy-six thousand, one hundred eighty-three".