1326983453 has 2 divisors, whose sum is σ = 1326983454. Its totient is φ = 1326983452.

The previous prime is 1326983443. The next prime is 1326983509. The reversal of 1326983453 is 3543896231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097066884 + 229916569 = 33122^2 + 15163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326983453 - 2¹⁰ = 1326982429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326983423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663491726 + 663491727.

It is an arithmetic number, because the mean of its divisors is an integer number (663491727).

Almost surely, 2^1326983453 is an apocalyptic number.

It is an amenable number.

1326983453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326983453 is an equidigital number, since it uses as much as digits as its factorization.

1326983453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 1326983453 is about 36427.7840802868. The cubic root of 1326983453 is about 1098.8923983416.

The spelling of 1326983453 in words is "one billion, three hundred twenty-six million, nine hundred eighty-three thousand, four hundred fifty-three".