1316763451 has 4 divisors (see below), whose sum is σ = 1317138232. Its totient is φ = 1316388672.

The previous prime is 1316763449. The next prime is 1316763493. The reversal of 1316763451 is 1543676131.

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 1316763451 - 2¹ = 1316763449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316763451.

It is not an unprimeable number, because it can be changed into a prime (1316763551) 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, 182070 + ... + 189163.

It is an arithmetic number, because the mean of its divisors is an integer number (329284558).

Almost surely, 2^1316763451 is an apocalyptic number.

1316763451 is a deficient number, since it is larger than the sum of its proper divisors (374781).

1316763451 is an equidigital number, since it uses as much as digits as its factorization.

1316763451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374780.

The product of its digits is 45360, while the sum is 37.

The square root of 1316763451 is about 36287.2353727864. The cubic root of 1316763451 is about 1096.0640188842.

The spelling of 1316763451 in words is "one billion, three hundred sixteen million, seven hundred sixty-three thousand, four hundred fifty-one".