1316842443 has 36 divisors (see below), whose sum is σ = 2294308848. Its totient is φ = 712864800.

The previous prime is 1316842427. The next prime is 1316842447. The reversal of 1316842443 is 3442486131.

1316842443 is a `hidden beast` number, since 13 + 168 + 42 + 443 = 666.

It is not a de Polignac number, because 1316842443 - 2⁴ = 1316842427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316842398 and 1316842407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316842447) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6208 + ... + 51693.

Almost surely, 2^1316842443 is an apocalyptic number.

1316842443 is a deficient number, since it is larger than the sum of its proper divisors (977466405).

1316842443 is a wasteful number, since it uses less digits than its factorization.

1316842443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57952 (or 57930 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1316842443 is about 36288.3237832777. The cubic root of 1316842443 is about 1096.0859358954.

It can be divided in two parts, 13168 and 42443, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 1316842443 in words is "one billion, three hundred sixteen million, eight hundred forty-two thousand, four hundred forty-three".