1318846853 has 4 divisors (see below), whose sum is σ = 1322327040. Its totient is φ = 1315366668.

The previous prime is 1318846831. The next prime is 1318846861. The reversal of 1318846853 is 3586488131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1318846853 - 2⁸ = 1318846597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1318846798 and 1318846807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318846153) 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, 1739525 + ... + 1740282.

It is an arithmetic number, because the mean of its divisors is an integer number (330581760).

Almost surely, 2^1318846853 is an apocalyptic number.

It is an amenable number.

1318846853 is a deficient number, since it is larger than the sum of its proper divisors (3480187).

1318846853 is an equidigital number, since it uses as much as digits as its factorization.

1318846853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480186.

The product of its digits is 552960, while the sum is 47.

The square root of 1318846853 is about 36315.9311184499. The cubic root of 1318846853 is about 1096.6417836741.

The spelling of 1318846853 in words is "one billion, three hundred eighteen million, eight hundred forty-six thousand, eight hundred fifty-three".