36811963 has 2 divisors, whose sum is σ = 36811964. Its totient is φ = 36811962.

The previous prime is 36811939. The next prime is 36811969. The reversal of 36811963 is 36911863.

It is a strong prime.

It is an emirp because it is prime and its reverse (36911863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36811963 - 2⁹ = 36811451 is a prime.

It is not a weakly prime, because it can be changed into another prime (36811969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18405981 + 18405982.

It is an arithmetic number, because the mean of its divisors is an integer number (18405982).

Almost surely, 2^36811963 is an apocalyptic number.

36811963 is a deficient number, since it is larger than the sum of its proper divisors (1).

36811963 is an equidigital number, since it uses as much as digits as its factorization.

36811963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 36811963 is about 6067.2862961954. The cubic root of 36811963 is about 332.6567388110.

The spelling of 36811963 in words is "thirty-six million, eight hundred eleven thousand, nine hundred sixty-three".