1316682493 has 12 divisors (see below), whose sum is σ = 1524119520. Its totient is φ = 1114262136.

The previous prime is 1316682491. The next prime is 1316682547. The reversal of 1316682493 is 3942866131.

It is not a de Polignac number, because 1316682493 - 2¹ = 1316682491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316682491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28618 + ... + 58756.

It is an arithmetic number, because the mean of its divisors is an integer number (127009960).

Almost surely, 2^1316682493 is an apocalyptic number.

It is an amenable number.

1316682493 is a deficient number, since it is larger than the sum of its proper divisors (207437027).

1316682493 is an frugal number, since it uses more digits than its factorization.

1316682493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30304 (or 30225 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 1316682493 is about 36286.1198394097. The cubic root of 1316682493 is about 1096.0415554799.

It can be divided in two parts, 13166 and 82493, that added together give a palindrome (95659).

The spelling of 1316682493 in words is "one billion, three hundred sixteen million, six hundred eighty-two thousand, four hundred ninety-three".