40531093819 has 2 divisors, whose sum is σ = 40531093820. Its totient is φ = 40531093818.

The previous prime is 40531093703. The next prime is 40531093829. The reversal of 40531093819 is 91839013504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40531093819 - 2¹¹ = 40531091771 is a prime.

It is a super-2 number, since 2×40531093819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40531093829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20265546909 + 20265546910.

It is an arithmetic number, because the mean of its divisors is an integer number (20265546910).

Almost surely, 2^40531093819 is an apocalyptic number.

40531093819 is a deficient number, since it is larger than the sum of its proper divisors (1).

40531093819 is an equidigital number, since it uses as much as digits as its factorization.

40531093819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 40531093819 in words is "forty billion, five hundred thirty-one million, ninety-three thousand, eight hundred nineteen".