1318618484 has 12 divisors (see below), whose sum is σ = 2317749504. Its totient is φ = 656404344.

The previous prime is 1318618471. The next prime is 1318618489. The reversal of 1318618484 is 4848168131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318618489) 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, 725204 + ... + 727019.

It is an arithmetic number, because the mean of its divisors is an integer number (193145792).

Almost surely, 2^1318618484 is an apocalyptic number.

It is an amenable number.

1318618484 is a deficient number, since it is larger than the sum of its proper divisors (999131020).

1318618484 is a wasteful number, since it uses less digits than its factorization.

1318618484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452454 (or 1452452 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 1318618484 is about 36312.7867837212. The cubic root of 1318618484 is about 1096.5784825553.

The spelling of 1318618484 in words is "one billion, three hundred eighteen million, six hundred eighteen thousand, four hundred eighty-four".