40299499913 has 2 divisors, whose sum is σ = 40299499914. Its totient is φ = 40299499912.

The previous prime is 40299499861. The next prime is 40299499927. The reversal of 40299499913 is 31999499204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36738155584 + 3561344329 = 191672^2 + 59677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40299499913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40299499963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20149749956 + 20149749957.

It is an arithmetic number, because the mean of its divisors is an integer number (20149749957).

Almost surely, 2^40299499913 is an apocalyptic number.

It is an amenable number.

40299499913 is a deficient number, since it is larger than the sum of its proper divisors (1).

40299499913 is an equidigital number, since it uses as much as digits as its factorization.

40299499913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 59.

The spelling of 40299499913 in words is "forty billion, two hundred ninety-nine million, four hundred ninety-nine thousand, nine hundred thirteen".