41993128831 has 2 divisors, whose sum is σ = 41993128832. Its totient is φ = 41993128830.

The previous prime is 41993128823. The next prime is 41993128861. The reversal of 41993128831 is 13882139914.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41993128831 - 2³ = 41993128823 is a prime.

It is a super-2 number, since 2×41993128831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41993128861) 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, 20996564415 + 20996564416.

It is an arithmetic number, because the mean of its divisors is an integer number (20996564416).

Almost surely, 2^41993128831 is an apocalyptic number.

41993128831 is a deficient number, since it is larger than the sum of its proper divisors (1).

41993128831 is an equidigital number, since it uses as much as digits as its factorization.

41993128831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The spelling of 41993128831 in words is "forty-one billion, nine hundred ninety-three million, one hundred twenty-eight thousand, eight hundred thirty-one".