6345236369 has 2 divisors, whose sum is σ = 6345236370. Its totient is φ = 6345236368.

The previous prime is 6345236347. The next prime is 6345236377. The reversal of 6345236369 is 9636325436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5881049344 + 464187025 = 76688^2 + 21545^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345236369 - 2³² = 2050269073 is a prime.

It is a super-2 number, since 2×6345236369² = 80524049156960608322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (6345236329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172618184 + 3172618185.

It is an arithmetic number, because the mean of its divisors is an integer number (3172618185).

Almost surely, 2^6345236369 is an apocalyptic number.

It is an amenable number.

6345236369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345236369 is an equidigital number, since it uses as much as digits as its factorization.

6345236369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 47.

The square root of 6345236369 is about 79656.9919655519. The cubic root of 6345236369 is about 1851.3247262705.

The spelling of 6345236369 in words is "six billion, three hundred forty-five million, two hundred thirty-six thousand, three hundred sixty-nine".