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42888559919 is a prime number
BaseRepresentation
bin100111111100010110…
…110111110100101111
311002200222101120210012
4213330112313310233
51200313432404134
631411442403435
73045550513202
oct477426676457
9132628346705
1042888559919
1117209523947
12838b36057b
13407664910a
14210c085939
1511b03b66ce
hex9fc5b7d2f

42888559919 has 2 divisors, whose sum is σ = 42888559920. Its totient is φ = 42888559918.

The previous prime is 42888559873. The next prime is 42888559921. The reversal of 42888559919 is 91995588824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42888559919 - 28 = 42888559663 is a prime.

It is a super-2 number, since 2×428885599192 (a number of 22 digits) contains 22 as substring.

Together with 42888559921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42888559619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21444279959 + 21444279960.

It is an arithmetic number, because the mean of its divisors is an integer number (21444279960).

Almost surely, 242888559919 is an apocalyptic number.

42888559919 is a deficient number, since it is larger than the sum of its proper divisors (1).

42888559919 is an equidigital number, since it uses as much as digits as its factorization.

42888559919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74649600, while the sum is 68.

The spelling of 42888559919 in words is "forty-two billion, eight hundred eighty-eight million, five hundred fifty-nine thousand, nine hundred nineteen".