36423649949 has 2 divisors, whose sum is σ = 36423649950. Its totient is φ = 36423649948.

The previous prime is 36423649909. The next prime is 36423649963. The reversal of 36423649949 is 94994632463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29114596900 + 7309053049 = 170630^2 + 85493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36423649949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36423649909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18211824974 + 18211824975.

It is an arithmetic number, because the mean of its divisors is an integer number (18211824975).

Almost surely, 2^36423649949 is an apocalyptic number.

It is an amenable number.

36423649949 is a deficient number, since it is larger than the sum of its proper divisors (1).

36423649949 is an equidigital number, since it uses as much as digits as its factorization.

36423649949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30233088, while the sum is 59.

The spelling of 36423649949 in words is "thirty-six billion, four hundred twenty-three million, six hundred forty-nine thousand, nine hundred forty-nine".