1318301969 has 2 divisors, whose sum is σ = 1318301970. Its totient is φ = 1318301968.

The previous prime is 1318301911. The next prime is 1318302067. The reversal of 1318301969 is 9691038131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204090000 + 114211969 = 34700^2 + 10687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1318301969 - 2⁸ = 1318301713 is a prime.

It is a super-2 number, since 2×1318301969² = 3475840162938553922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1318301069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659150984 + 659150985.

It is an arithmetic number, because the mean of its divisors is an integer number (659150985).

Almost surely, 2^1318301969 is an apocalyptic number.

It is an amenable number.

1318301969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318301969 is an equidigital number, since it uses as much as digits as its factorization.

1318301969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 1318301969 is about 36308.4283465974. The cubic root of 1318301969 is about 1096.4907363479.

The spelling of 1318301969 in words is "one billion, three hundred eighteen million, three hundred one thousand, nine hundred sixty-nine".