40319242813 has 2 divisors, whose sum is σ = 40319242814. Its totient is φ = 40319242812.

The previous prime is 40319242807. The next prime is 40319242819. The reversal of 40319242813 is 31824291304.

It is a balanced prime because it is at equal distance from previous prime (40319242807) and next prime (40319242819).

It can be written as a sum of positive squares in only one way, i.e., 38338814809 + 1980428004 = 195803^2 + 44502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40319242813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40319242819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20159621406 + 20159621407.

It is an arithmetic number, because the mean of its divisors is an integer number (20159621407).

Almost surely, 2^40319242813 is an apocalyptic number.

It is an amenable number.

40319242813 is a deficient number, since it is larger than the sum of its proper divisors (1).

40319242813 is an equidigital number, since it uses as much as digits as its factorization.

40319242813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 40319242813 in words is "forty billion, three hundred nineteen million, two hundred forty-two thousand, eight hundred thirteen".