835642025089 has 8 divisors (see below), whose sum is σ = 861490175040. Its totient is φ = 809965624176.

The previous prime is 835642025041. The next prime is 835642025137. The reversal of 835642025089 is 980520246538.

It is an interprime number because it is at equal distance from previous prime (835642025041) and next prime (835642025137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-835642025089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (835642005089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42927379 + ... + 42946840.

It is an arithmetic number, because the mean of its divisors is an integer number (107686271880).

Almost surely, 2^835642025089 is an apocalyptic number.

It is an amenable number.

835642025089 is a deficient number, since it is larger than the sum of its proper divisors (25848149951).

835642025089 is a wasteful number, since it uses less digits than its factorization.

835642025089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85874519.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 835642025089 in words is "eight hundred thirty-five billion, six hundred forty-two million, twenty-five thousand, eighty-nine".