318373389487 has 2 divisors, whose sum is σ = 318373389488. Its totient is φ = 318373389486.

The previous prime is 318373389457. The next prime is 318373389517. The reversal of 318373389487 is 784983373813.

It is a balanced prime because it is at equal distance from previous prime (318373389457) and next prime (318373389517).

It is an emirp because it is prime and its reverse (784983373813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318373389487 - 2²³ = 318365000879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318373389457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159186694743 + 159186694744.

It is an arithmetic number, because the mean of its divisors is an integer number (159186694744).

Almost surely, 2^318373389487 is an apocalyptic number.

318373389487 is a deficient number, since it is larger than the sum of its proper divisors (1).

318373389487 is an equidigital number, since it uses as much as digits as its factorization.

318373389487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73156608, while the sum is 64.

It can be divided in two parts, 3183 and 73389487, that added together give a triangular number (73392670 = T₁₂₁₁₅).

The spelling of 318373389487 in words is "three hundred eighteen billion, three hundred seventy-three million, three hundred eighty-nine thousand, four hundred eighty-seven".