42131999411 has 2 divisors, whose sum is σ = 42131999412. Its totient is φ = 42131999410.

The previous prime is 42131999389. The next prime is 42131999473. The reversal of 42131999411 is 11499913124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42131999411 - 2⁶ = 42131999347 is a prime.

It is not a weakly prime, because it can be changed into another prime (42131996411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065999705 + 21065999706.

It is an arithmetic number, because the mean of its divisors is an integer number (21065999706).

Almost surely, 2^42131999411 is an apocalyptic number.

42131999411 is a deficient number, since it is larger than the sum of its proper divisors (1).

42131999411 is an equidigital number, since it uses as much as digits as its factorization.

42131999411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 44.

The spelling of 42131999411 in words is "forty-two billion, one hundred thirty-one million, nine hundred ninety-nine thousand, four hundred eleven".