1359917969 has 2 divisors, whose sum is σ = 1359917970. Its totient is φ = 1359917968.

The previous prime is 1359917959. The next prime is 1359918059. The reversal of 1359917969 is 9697199531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1266505744 + 93412225 = 35588^2 + 9665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1359917969 is a prime.

It is a super-2 number, since 2×1359917969² = 3698753764818169922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1359917939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679958984 + 679958985.

It is an arithmetic number, because the mean of its divisors is an integer number (679958985).

Almost surely, 2^1359917969 is an apocalyptic number.

It is an amenable number.

1359917969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359917969 is an equidigital number, since it uses as much as digits as its factorization.

1359917969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4133430, while the sum is 59.

The square root of 1359917969 is about 36877.0656235010. The cubic root of 1359917969 is about 1107.9093752311.

The spelling of 1359917969 in words is "one billion, three hundred fifty-nine million, nine hundred seventeen thousand, nine hundred sixty-nine".