36363511645 has 4 divisors (see below), whose sum is σ = 43636213980. Its totient is φ = 29090809312.

The previous prime is 36363511643. The next prime is 36363511661. The reversal of 36363511645 is 54611536363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54611536363 = 881 ⋅61988123.

It can be written as a sum of positive squares in 2 ways, for example, as 5747610969 + 30615900676 = 75813^2 + 174974^2 .

It is a cyclic number.

It is not a de Polignac number, because 36363511645 - 2¹ = 36363511643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36363511643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636351160 + ... + 3636351169.

It is an arithmetic number, because the mean of its divisors is an integer number (10909053495).

Almost surely, 2^36363511645 is an apocalyptic number.

It is an amenable number.

36363511645 is a deficient number, since it is larger than the sum of its proper divisors (7272702335).

36363511645 is an equidigital number, since it uses as much as digits as its factorization.

36363511645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272702334.

The product of its digits is 583200, while the sum is 43.

The spelling of 36363511645 in words is "thirty-six billion, three hundred sixty-three million, five hundred eleven thousand, six hundred forty-five".