42893309471 has 2 divisors, whose sum is σ = 42893309472. Its totient is φ = 42893309470.

The previous prime is 42893309411. The next prime is 42893309479. The reversal of 42893309471 is 17490339824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42893309471 is a prime.

It is a super-3 number, since 3×42893309471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42893309479) 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, 21446654735 + 21446654736.

It is an arithmetic number, because the mean of its divisors is an integer number (21446654736).

Almost surely, 2^42893309471 is an apocalyptic number.

42893309471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42893309471 is an equidigital number, since it uses as much as digits as its factorization.

42893309471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 42893309471 in words is "forty-two billion, eight hundred ninety-three million, three hundred nine thousand, four hundred seventy-one".