42888559643 has 2 divisors, whose sum is σ = 42888559644. Its totient is φ = 42888559642.

The previous prime is 42888559627. The next prime is 42888559663. The reversal of 42888559643 is 34695588824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42888559643 - 2⁴ = 42888559627 is a prime.

It is not a weakly prime, because it can be changed into another prime (42888559663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21444279821 + 21444279822.

It is an arithmetic number, because the mean of its divisors is an integer number (21444279822).

Almost surely, 2^42888559643 is an apocalyptic number.

42888559643 is a deficient number, since it is larger than the sum of its proper divisors (1).

42888559643 is an equidigital number, since it uses as much as digits as its factorization.

42888559643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66355200, while the sum is 62.

The spelling of 42888559643 in words is "forty-two billion, eight hundred eighty-eight million, five hundred fifty-nine thousand, six hundred forty-three".