834651453873 has 16 divisors (see below), whose sum is σ = 1119372898176. Its totient is φ = 553189541760.

The previous prime is 834651453871. The next prime is 834651453877. The reversal of 834651453873 is 378354156438.

It is not a de Polignac number, because 834651453873 - 2¹ = 834651453871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (834651453871) by changing a digit.

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, 470518 + ... + 1375023.

It is an arithmetic number, because the mean of its divisors is an integer number (69960806136).

Almost surely, 2^834651453873 is an apocalyptic number.

It is an amenable number.

834651453873 is a deficient number, since it is larger than the sum of its proper divisors (284721444303).

834651453873 is a wasteful number, since it uses less digits than its factorization.

834651453873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846424.

The product of its digits is 29030400, while the sum is 57.

The spelling of 834651453873 in words is "eight hundred thirty-four billion, six hundred fifty-one million, four hundred fifty-three thousand, eight hundred seventy-three".