40314038993 has 2 divisors, whose sum is σ = 40314038994. Its totient is φ = 40314038992.

The previous prime is 40314038987. The next prime is 40314039043. The reversal of 40314038993 is 39983041304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33513892624 + 6800146369 = 183068^2 + 82463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40314038993 is a prime.

It is not a weakly prime, because it can be changed into another prime (40374038993) 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, 20157019496 + 20157019497.

It is an arithmetic number, because the mean of its divisors is an integer number (20157019497).

Almost surely, 2^40314038993 is an apocalyptic number.

It is an amenable number.

40314038993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40314038993 is an equidigital number, since it uses as much as digits as its factorization.

40314038993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 40314038993 in words is "forty billion, three hundred fourteen million, thirty-eight thousand, nine hundred ninety-three".