40999803831839 has 2 divisors, whose sum is σ = 40999803831840. Its totient is φ = 40999803831838.

The previous prime is 40999803831817. The next prime is 40999803831853. The reversal of 40999803831839 is 93813830899904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40999803831839 - 2¹² = 40999803827743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40999803831859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20499901915919 + 20499901915920.

It is an arithmetic number, because the mean of its divisors is an integer number (20499901915920).

Almost surely, 2^{40999803831839} is an apocalyptic number.

40999803831839 is a deficient number, since it is larger than the sum of its proper divisors (1).

40999803831839 is an equidigital number, since it uses as much as digits as its factorization.

40999803831839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362797056, while the sum is 74.

The spelling of 40999803831839 in words is "forty trillion, nine hundred ninety-nine billion, eight hundred three million, eight hundred thirty-one thousand, eight hundred thirty-nine".