1328022763 has 4 divisors (see below), whose sum is σ = 1332923488. Its totient is φ = 1323122040.

The previous prime is 1328022743. The next prime is 1328022821. The reversal of 1328022763 is 3672208231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3672208231 = 3559 ⋅1031809.

It is a cyclic number.

It is not a de Polignac number, because 1328022763 - 2⁹ = 1328022251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328022743) 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, 2449956 + ... + 2450497.

It is an arithmetic number, because the mean of its divisors is an integer number (333230872).

Almost surely, 2^1328022763 is an apocalyptic number.

1328022763 is a deficient number, since it is larger than the sum of its proper divisors (4900725).

1328022763 is an equidigital number, since it uses as much as digits as its factorization.

1328022763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900724.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1328022763 is about 36442.0466357201. The cubic root of 1328022763 is about 1099.1792122224.

The spelling of 1328022763 in words is "one billion, three hundred twenty-eight million, twenty-two thousand, seven hundred sixty-three".