36940556899 has 2 divisors, whose sum is σ = 36940556900. Its totient is φ = 36940556898.

The previous prime is 36940556801. The next prime is 36940556923. The reversal of 36940556899 is 99865504963.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36940556899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36940556899.

It is not a weakly prime, because it can be changed into another prime (36940556299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18470278449 + 18470278450.

It is an arithmetic number, because the mean of its divisors is an integer number (18470278450).

Almost surely, 2^36940556899 is an apocalyptic number.

36940556899 is a deficient number, since it is larger than the sum of its proper divisors (1).

36940556899 is an equidigital number, since it uses as much as digits as its factorization.

36940556899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 36940556899 in words is "thirty-six billion, nine hundred forty million, five hundred fifty-six thousand, eight hundred ninety-nine".