42070089484789 has 2 divisors, whose sum is σ = 42070089484790. Its totient is φ = 42070089484788.

The previous prime is 42070089484757. The next prime is 42070089484837. The reversal of 42070089484789 is 98748498007024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40421086786564 + 1649002698225 = 6357758^2 + 1284135^2 .

It is a cyclic number.

It is not a de Polignac number, because 42070089484789 - 2⁵ = 42070089484757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42070089484289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21035044742394 + 21035044742395.

It is an arithmetic number, because the mean of its divisors is an integer number (21035044742395).

Almost surely, 2^{42070089484789} is an apocalyptic number.

It is an amenable number.

42070089484789 is a deficient number, since it is larger than the sum of its proper divisors (1).

42070089484789 is an equidigital number, since it uses as much as digits as its factorization.

42070089484789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 260112384, while the sum is 70.

The spelling of 42070089484789 in words is "forty-two trillion, seventy billion, eighty-nine million, four hundred eighty-four thousand, seven hundred eighty-nine".