1298316763 has 4 divisors (see below), whose sum is σ = 1301707008. Its totient is φ = 1294926520.

The previous prime is 1298316727. The next prime is 1298316787. The reversal of 1298316763 is 3676138921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1298316763 - 2⁹ = 1298316251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298316713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694548 + ... + 1695313.

It is an arithmetic number, because the mean of its divisors is an integer number (325426752).

Almost surely, 2^1298316763 is an apocalyptic number.

1298316763 is a deficient number, since it is larger than the sum of its proper divisors (3390245).

1298316763 is an equidigital number, since it uses as much as digits as its factorization.

1298316763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390244.

The product of its digits is 326592, while the sum is 46.

The square root of 1298316763 is about 36032.1628965012. The cubic root of 1298316763 is about 1090.9216352836.

The spelling of 1298316763 in words is "one billion, two hundred ninety-eight million, three hundred sixteen thousand, seven hundred sixty-three".