42850447462139 has 2 divisors, whose sum is σ = 42850447462140. Its totient is φ = 42850447462138.

The previous prime is 42850447462117. The next prime is 42850447462201. The reversal of 42850447462139 is 93126474405824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42850447462139 - 2⁸ = 42850447461883 is a prime.

It is not a weakly prime, because it can be changed into another prime (42850447462939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425223731069 + 21425223731070.

It is an arithmetic number, because the mean of its divisors is an integer number (21425223731070).

It is a 1-persistent number, because it is pandigital, but 2⋅42850447462139 = 85700894924278 is not.

Almost surely, 2^{42850447462139} is an apocalyptic number.

42850447462139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850447462139 is an equidigital number, since it uses as much as digits as its factorization.

42850447462139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 59.

The spelling of 42850447462139 in words is "forty-two trillion, eight hundred fifty billion, four hundred forty-seven million, four hundred sixty-two thousand, one hundred thirty-nine".