894585925138 has 32 divisors (see below), whose sum is σ = 1393213685760. Its totient is φ = 430296229440.

The previous prime is 894585925091. The next prime is 894585925147. The reversal of 894585925138 is 831529585498.

It is a super-2 number, since 2×894585925138² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21993756 + ... + 22034392.

It is an arithmetic number, because the mean of its divisors is an integer number (43537927680).

Almost surely, 2^894585925138 is an apocalyptic number.

894585925138 is a deficient number, since it is larger than the sum of its proper divisors (498627760622).

894585925138 is a wasteful number, since it uses less digits than its factorization.

894585925138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42042.

The product of its digits is 124416000, while the sum is 67.

The spelling of 894585925138 in words is "eight hundred ninety-four billion, five hundred eighty-five million, nine hundred twenty-five thousand, one hundred thirty-eight".