42839465900895 has 48 divisors (see below), whose sum is σ = 74486611416672. Its totient is φ = 22776583864320.

The previous prime is 42839465900867. The next prime is 42839465900909. The reversal of 42839465900895 is 59800956493824.

42839465900895 is a `hidden beast` number, since 4 + 2 + 8 + 394 + 65 + 90 + 0 + 8 + 95 = 666.

It is not a de Polignac number, because 42839465900895 - 2⁵ = 42839465900863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17392467 + ... + 19702203.

It is an arithmetic number, because the mean of its divisors is an integer number (1551804404514).

Almost surely, 2^{42839465900895} is an apocalyptic number.

42839465900895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42839465900895 is a deficient number, since it is larger than the sum of its proper divisors (31647145515777).

42839465900895 is a wasteful number, since it uses less digits than its factorization.

42839465900895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311032 (or 2311029 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 72.

The spelling of 42839465900895 in words is "forty-two trillion, eight hundred thirty-nine billion, four hundred sixty-five million, nine hundred thousand, eight hundred ninety-five".