40106965319 has 2 divisors, whose sum is σ = 40106965320. Its totient is φ = 40106965318.

The previous prime is 40106965313. The next prime is 40106965331. The reversal of 40106965319 is 91356960104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40106965319 - 2⁴ = 40106965303 is a prime.

It is a super-2 number, since 2×40106965319² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40106965319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40106965313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20053482659 + 20053482660.

It is an arithmetic number, because the mean of its divisors is an integer number (20053482660).

Almost surely, 2^40106965319 is an apocalyptic number.

40106965319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40106965319 is an equidigital number, since it uses as much as digits as its factorization.

40106965319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 40106965319 in words is "forty billion, one hundred six million, nine hundred sixty-five thousand, three hundred nineteen".