42233819431 has 2 divisors, whose sum is σ = 42233819432. Its totient is φ = 42233819430.

The previous prime is 42233819363. The next prime is 42233819449. The reversal of 42233819431 is 13491833224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42233819431 - 2²¹ = 42231722279 is a prime.

It is a super-2 number, since 2×42233819431² (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 (42233810431) 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, 21116909715 + 21116909716.

It is an arithmetic number, because the mean of its divisors is an integer number (21116909716).

Almost surely, 2^42233819431 is an apocalyptic number.

42233819431 is a deficient number, since it is larger than the sum of its proper divisors (1).

42233819431 is an equidigital number, since it uses as much as digits as its factorization.

42233819431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The spelling of 42233819431 in words is "forty-two billion, two hundred thirty-three million, eight hundred nineteen thousand, four hundred thirty-one".