40975244819 has 2 divisors, whose sum is σ = 40975244820. Its totient is φ = 40975244818.

The previous prime is 40975244777. The next prime is 40975244879. The reversal of 40975244819 is 91844257904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40975244819 - 2²⁴ = 40958467603 is a prime.

It is a super-2 number, since 2×40975244819² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40975244879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20487622409 + 20487622410.

It is an arithmetic number, because the mean of its divisors is an integer number (20487622410).

Almost surely, 2^40975244819 is an apocalyptic number.

40975244819 is a deficient number, since it is larger than the sum of its proper divisors (1).

40975244819 is an equidigital number, since it uses as much as digits as its factorization.

40975244819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 40975244819 in words is "forty billion, nine hundred seventy-five million, two hundred forty-four thousand, eight hundred nineteen".