36445843519 has 2 divisors, whose sum is σ = 36445843520. Its totient is φ = 36445843518.

The previous prime is 36445843517. The next prime is 36445843537. The reversal of 36445843519 is 91534854463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36445843519 - 2¹ = 36445843517 is a prime.

It is a super-2 number, since 2×36445843519² (a number of 22 digits) contains 22 as substring.

Together with 36445843517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36445843517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18222921759 + 18222921760.

It is an arithmetic number, because the mean of its divisors is an integer number (18222921760).

Almost surely, 2^36445843519 is an apocalyptic number.

36445843519 is a deficient number, since it is larger than the sum of its proper divisors (1).

36445843519 is an equidigital number, since it uses as much as digits as its factorization.

36445843519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 52.

The spelling of 36445843519 in words is "thirty-six billion, four hundred forty-five million, eight hundred forty-three thousand, five hundred nineteen".