36963688609 has 2 divisors, whose sum is σ = 36963688610. Its totient is φ = 36963688608.

The previous prime is 36963688583. The next prime is 36963688613. The reversal of 36963688609 is 90688636963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32461949584 + 4501739025 = 180172^2 + 67095^2 .

It is an emirp because it is prime and its reverse (90688636963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36963688609 - 2¹³ = 36963680417 is a prime.

It is not a weakly prime, because it can be changed into another prime (36963688669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18481844304 + 18481844305.

It is an arithmetic number, because the mean of its divisors is an integer number (18481844305).

Almost surely, 2^36963688609 is an apocalyptic number.

It is an amenable number.

36963688609 is a deficient number, since it is larger than the sum of its proper divisors (1).

36963688609 is an equidigital number, since it uses as much as digits as its factorization.

36963688609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60466176, while the sum is 64.

The spelling of 36963688609 in words is "thirty-six billion, nine hundred sixty-three million, six hundred eighty-eight thousand, six hundred nine".