1328637351799 has 2 divisors, whose sum is σ = 1328637351800. Its totient is φ = 1328637351798.

The previous prime is 1328637351707. The next prime is 1328637351817. The reversal of 1328637351799 is 9971537368231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1328637351799 - 2²³ = 1328628963191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1328637351799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328637391799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664318675899 + 664318675900.

It is an arithmetic number, because the mean of its divisors is an integer number (664318675900).

Almost surely, 2^{1328637351799} is an apocalyptic number.

1328637351799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328637351799 is an equidigital number, since it uses as much as digits as its factorization.

1328637351799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 64.

The spelling of 1328637351799 in words is "one trillion, three hundred twenty-eight billion, six hundred thirty-seven million, three hundred fifty-one thousand, seven hundred ninety-nine".